Multiple vulnerabilities in Google Chrome



| Updated: 2021-07-01
Risk Critical
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2020-16000
CVE-2020-16001
CVE-2020-16002
CVE-2020-15999
CVE-2020-16003
CWE-ID CWE-358
CWE-416
CWE-122
Exploitation vector Network
Public exploit Vulnerability #4 is being exploited in the wild.
Vulnerable software
 Google Chrome
Client/Desktop applications / Web browsers

Vendor Google

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Improperly implemented security check for standard

EUVDB-ID: #VU47754

Risk: Medium

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

CVE-ID: CVE-2020-16000

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

Description

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

The vulnerability exists due to incorrect implementation in Blink in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.

Mitigation

Update to version 86.0.4240.111.

Vulnerable software versions

Google Chrome: 83.0.4103.106 - 86.0.4240.75

CPE2.3 External links

http://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html
http://crbug.com/1125337


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

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

2) Use-after-free

EUVDB-ID: #VU47753

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-2020-16001

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 within the media component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

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

Mitigation

Update to version 86.0.4240.111.

Vulnerable software versions

Google Chrome: 83.0.4103.106 - 86.0.4240.75

CPE2.3 External links

http://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html
http://www.blogger.com/blog/post/edit/8982037438137564684/164021554802225166#


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

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

3) Use-after-free

EUVDB-ID: #VU47755

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-2020-16002

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 within the PDFium component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

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

Mitigation

Update to version 86.0.4240.111.

Vulnerable software versions

Google Chrome: 83.0.4103.106 - 86.0.4240.75

CPE2.3 External links

http://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html
http://crbug.com/1137630


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

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

4) Heap-based buffer overflow

EUVDB-ID: #VU47741

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-2020-15999

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: Yes

Description

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

The vulnerability exists due to a boundary error in freetype library when processing TTF files. A remote attacker can pass specially crafted TTF file with PNG sbit glyphs to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

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

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Chrome: before 86.0.4240.111

CPE2.3 External links

http://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html
http://crbug.com/1139963


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

5) Use-after-free

EUVDB-ID: #VU47756

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-2020-16003

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 within printing in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.

Mitigation

Update to version 86.0.4240.111.

Vulnerable software versions

Google Chrome: 83.0.4103.106 - 86.0.4240.75

CPE2.3 External links

http://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html
http://crbug.com/1134960


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

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



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