Multiple vulnerabilities in Apple iOS and iPadOS

1) Buffer overflow

EUVDB-ID: #VU53447

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30707

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Audio subsystem. A remote attacker can create a specially crafted audio file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Universal cross-site scripting

EUVDB-ID: #VU53496

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30744

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in WebKit. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Out-of-bounds write

EUVDB-ID: #VU53483

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30725

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in Model I/O. A remote attacker can create a specially crafted USD file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Out-of-bounds read

EUVDB-ID: #VU53479

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30746

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Out-of-bounds write

EUVDB-ID: #VU53484

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30693

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in Model I/O. A remote attacker can create a specially crafted image file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Out-of-bounds read

EUVDB-ID: #VU53480

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30695

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Out-of-bounds read

EUVDB-ID: #VU53481

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30708

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Out-of-bounds read

EUVDB-ID: #VU53482

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30709

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Buffer overflow

EUVDB-ID: #VU53487

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30737

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the ASN.1 decoder when processing TLS certificates. A remote attacker can trick the victim to visit a specially crafted website, trigger memory corruption with a specially crafted TLS certificate and execute arbitrary code on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Use-after-free

EUVDB-ID: #VU53497

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21779

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content in WebKit. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Out-of-bounds read

EUVDB-ID: #VU53477

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30692

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Information disclosure

EUVDB-ID: #VU53498

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30682

CWE-ID: CWE-200 - Information exposure

Exploit availability: Yes

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in webKit. A remote attacker can gain unauthorized access to sensitive user information.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Universal cross-site scripting

EUVDB-ID: #VU53499

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30689

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in WebKit. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Buffer overflow

EUVDB-ID: #VU53500

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30749

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content within the KeyframeEffect class in WebKit. A remote attacker can create a specially crafted web oage, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Buffer overflow

EUVDB-ID: #VU53501

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30734

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content in WebKit. A remote attacker can create a specially crafted web oage, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Security features bypass

EUVDB-ID: #VU53502

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30720

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists in WebKit due to the way the component handles links to internal resources. A remote attacker can create a specially crafted web page and trick the application to connect to arbitrary internal addresses.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) NULL pointer dereference

EUVDB-ID: #VU50740

Risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-23841

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the X509_issuer_and_serial_hash() function when parsing the issuer field in the X509 certificate. A remote attacker can supply a specially crafted certificate, trigger a NULL pointer dereference error and perform a denial of service (DoS) attack.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) NULL pointer dereference

EUVDB-ID: #VU53503

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30698

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in webRTC. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

19) Out-of-bounds read

EUVDB-ID: #VU53478

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30694

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

20) Out-of-bounds read

EUVDB-ID: #VU53476

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30691

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) Out-of-bounds read

EUVDB-ID: #VU53448

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30685

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the AudioToolboxCore framework in Audio subsystem. A remote attacker can create a specially crafted AAC file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

22) Out-of-bounds read

EUVDB-ID: #VU53459

Risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30687

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in ImageIO. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) UNIX symbolic link following

EUVDB-ID: #VU53449

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30681

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue within the Core Services subsystem. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

24) Stack-based buffer overflow

EUVDB-ID: #VU53450

Risk: High

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30686

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary condition within the USACBitstreamReader function in AudioCodecs. A remote attacker can create a specially crafted LOAS file, trick the victim into opening it, trigger a stack-based buffer overflow and execute arbitrary code on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

25) Security restrictions bypass

EUVDB-ID: #VU53451

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30727

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to application does not properly impose security restrictions in Crash reported component. A local application can modify protected parts of the file system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

26) Security restrictoins bypass

EUVDB-ID: #VU53452

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30724

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in CVMS. A local user can bypass security restrictions and escalate privileges on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

27) Information disclosure

EUVDB-ID: #VU53456

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30697

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Heimdal. A local user can gain unauthorized access to sensitive user information.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

28) Buffer overflow

EUVDB-ID: #VU53457

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30710

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a malicious application to disclose sensitive information.

The vulnerability exists due to a boundary error in Heimdal. A malicious application can trigger memory corruption and cause a denial of service or potentially disclose memory contents.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

29) Out-of-bounds read

EUVDB-ID: #VU53460

Risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30700

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in ImageIO. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

30) Out-of-bounds read

EUVDB-ID: #VU53475

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30723

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

31) Buffer overflow

EUVDB-ID: #VU53462

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30701

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing image files in ImageIO. A remote attacker can create a specially crafted PICT image file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

32) Out-of-bounds read

EUVDB-ID: #VU53461

Risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30705

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in ImageIO. A remote attacker can create a specially crafted ASTC file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

33) Security restrictions bypass

EUVDB-ID: #VU53466

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30740

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper privilege management in OS Kernel subsystem. A local user can execute arbitrary code on the system with kernel privileges.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

34) Security restrictions bypass

EUVDB-ID: #VU53467

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30704

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper privilege management in OS Kernel subsystem. A local user can execute arbitrary code on the system with kernel privileges.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

35) Input validation error

EUVDB-ID: #VU53468

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30715

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in OS Kernel subsystem. A remote attacker can send a specially crafted message to he system and perform a denial of service (DoS) attack.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

36) Buffer overflow

EUVDB-ID: #VU53469

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30736

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in OS kernel subsystem. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with elevated privileges.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

37) Security features bypass

EUVDB-ID: #VU53472

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30677

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to a logic issue in LaunchServices. A local application can break out of its sandbox.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

38) Race condition

EUVDB-ID: #VU53506

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30714

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a race condition in AVEVideoEncoder. A local application can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

39) Data Handling

EUVDB-ID: #VU53507

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30729

CWE-ID: CWE-19 - Data Handling

Exploit availability: No

The vulnerability allows a remote attacker to perform a DoS attack.

The vulnerability exists due to a login issue in the CommCenter component. A device may accept invalid activation results, which in turn can lead to denial of service.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

40) Improper access control

EUVDB-ID: #VU53508

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30674

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

The vulnerability allows a local application to gain unauthorized access to otherwise restricted information.

The vulnerability exists due to improper access restrictions in Kernel subsystem. A local application can bypass implemented security restrictions and disclose restricted memory.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

41) Use-after-free

EUVDB-ID: #VU53509

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30741

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing email messages in Mail component. A remote attacker can send a specially crafted email message, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

42) Resource management error

EUVDB-ID: #VU53510

Risk: Low

CVSSv3.1: 2.1 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30699

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

The vulnerability allows a local attacker to gain access to sensitive information.

The vulnerability exists due to improper window management within the Notes application. An attacker with physical access to device can view restricted content from the lockscreen.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

43) Algorithm Downgrade

EUVDB-ID: #VU53511

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30667

CWE-ID: CWE-757 - Selection of Less-Secure Algorithm During Negotiat

Exploit availability: No

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists within the Wi-Fi component. An attacker in WiFi range may be able to force a client to use a less secure authentication mechanism.

Install update from vendor's website.

iPadOS: 14.0 18A373 - 14.5.1 18E212

Apple iOS: 14.0 18A373 - 14.5.1 18E212

http://support.apple.com/en-us/HT212528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.