Multiple vulnerabilities in Apple tvOS

1) Information disclosure

EUVDB-ID: #VU84069

Risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-42884

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to excessive data output in AVEVideoEncoder. A local application can read sensitive kernel memory.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 16.0 20J373 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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.

2) Buffer overflow

EUVDB-ID: #VU84074

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-2023-42898

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the ImageIO component. A remote attacker can create a specially crafted 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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 16.0 20J373 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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) Buffer overflow

EUVDB-ID: #VU84075

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-2023-42899

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the ImageIO component. A remote attacker can create a specially crafted 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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 16.0 20J373 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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) Buffer overflow

EUVDB-ID: #VU84077

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-2023-42914

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local application to bypass sandbox restrictions.

The vulnerability exists due to a boundary error within the OS kernel. A local application can break out of its sandbox.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 16.0 20J373 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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.

5) Buffer overflow

EUVDB-ID: #VU84079

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-2023-42890

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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 website, 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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 16.0 20J373 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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) Buffer overflow

EUVDB-ID: #VU84080

Risk: Low

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

CVE-ID: CVE-2023-42883

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing HTML content in WebKit. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and crash the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 16.0 20J373 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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: #VU83605

Risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-42916

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger an out-of-bounds read and execute arbitrary code on the target system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 16.0 20J373 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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?

Yes. This vulnerability is being exploited in the wild.

8) Buffer overflow

EUVDB-ID: #VU83606

Risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-42917

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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. A remote attacker can create a specially crafted website, 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.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 16.0 20J373 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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?

Yes. This vulnerability is being exploited in the wild.

9) Improper access control

EUVDB-ID: #VU87758

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-2023-42893

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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

The vulnerability exists due to improper access restrictions in Libsystem. A local application can access protected user data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 4.4.11 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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.

10) Information disclosure

EUVDB-ID: #VU87759

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-2023-42936

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 4.4.11 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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.

11) Path traversal

EUVDB-ID: #VU87763

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-42947

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

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

The vulnerability exists due to input validation error when processing file paths in TCC. A local application can break out of its sandbox.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 4.4.11 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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.

12) Use-after-free

EUVDB-ID: #VU87765

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-2023-42950

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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 trick the victim to visit a specially crafted website, 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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 4.4.11 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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) Information disclosure

EUVDB-ID: #VU91000

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-2023-40389

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 4.4.11 - 17.1

CPE2.3

External links

http://support.apple.com/en-us/HT214040

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.

Risk	Critical
Patch available	YES
Number of vulnerabilities	13
CVE-ID	CVE-2023-42884 CVE-2023-42898 CVE-2023-42899 CVE-2023-42914 CVE-2023-42890 CVE-2023-42883 CVE-2023-42916 CVE-2023-42917 CVE-2023-42893 CVE-2023-42936 CVE-2023-42947 CVE-2023-42950 CVE-2023-40389
CWE-ID	CWE-200 CWE-119 CWE-125 CWE-284 CWE-22 CWE-416
Exploitation vector	Network
Public exploit	Vulnerability #7 is being exploited in the wild. Vulnerability #8 is being exploited in the wild.
Vulnerable software Subscribe	tvOS Operating systems & Components / Operating system
Vendor	Apple Inc.