Multiple vulnerabilities in Google Chrome



Published: 2020-11-11
Risk Critical
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2020-16013
CVE-2020-16017
CWE ID CWE-358
CWE-416
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerability #2 is being exploited in the wild.
Vulnerable software
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Google Chrome
Client/Desktop applications / Web browsers

Vendor Google, Inc.

Security Advisory

1) Improperly implemented security check for standard

Risk: Critical

CVSSv3: 8.4 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-16013

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 V8 in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.

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

Mitigation

Update to version 86.0.4240.198.

Vulnerable software versions

Google Chrome: 86.0.4240.0, 86.0.4240.1, 86.0.4240.2, 86.0.4240.3, 86.0.4240.4, 86.0.4240.5, 86.0.4240.6, 86.0.4240.7, 86.0.4240.8, 86.0.4240.9, 86.0.4240.10, 86.0.4240.11, 86.0.4240.12, 86.0.4240.13, 86.0.4240.14, 86.0.4240.15, 86.0.4240.16, 86.0.4240.17, 86.0.4240.18, 86.0.4240.19, 86.0.4240.20, 86.0.4240.21, 86.0.4240.22, 86.0.4240.23, 86.0.4240.24, 86.0.4240.25, 86.0.4240.26, 86.0.4240.27, 86.0.4240.28, 86.0.4240.29, 86.0.4240.30, 86.0.4240.31, 86.0.4240.32, 86.0.4240.33, 86.0.4240.34, 86.0.4240.35, 86.0.4240.36, 86.0.4240.37, 86.0.4240.38, 86.0.4240.39, 86.0.4240.40, 86.0.4240.41, 86.0.4240.42, 86.0.4240.43, 86.0.4240.44, 86.0.4240.45, 86.0.4240.46, 86.0.4240.47, 86.0.4240.48, 86.0.4240.49, 86.0.4240.50, 86.0.4240.51, 86.0.4240.52, 86.0.4240.53, 86.0.4240.54, 86.0.4240.55, 86.0.4240.56, 86.0.4240.57, 86.0.4240.58, 86.0.4240.59, 86.0.4240.60, 86.0.4240.61, 86.0.4240.62, 86.0.4240.63, 86.0.4240.64, 86.0.4240.65, 86.0.4240.66, 86.0.4240.67, 86.0.4240.68, 86.0.4240.69, 86.0.4240.70, 86.0.4240.71, 86.0.4240.72, 86.0.4240.73, 86.0.4240.74, 86.0.4240.75, 86.0.4240.76, 86.0.4240.77, 86.0.4240.78, 86.0.4240.79, 86.0.4240.80, 86.0.4240.81, 86.0.4240.83, 86.0.4240.92, 86.0.4240.93, 86.0.4240.94, 86.0.4240.95, 86.0.4240.99, 86.0.4240.100, 86.0.4240.101, 86.0.4240.102, 86.0.4240.103, 86.0.4240.105, 86.0.4240.107, 86.0.4240.108, 86.0.4240.109, 86.0.4240.110, 86.0.4240.111, 86.0.4240.112, 86.0.4240.114, 86.0.4240.119, 86.0.4240.120, 86.0.4240.121, 86.0.4240.122, 86.0.4240.123, 86.0.4240.124, 86.0.4240.175, 86.0.4240.176, 86.0.4240.177, 86.0.4240.178, 86.0.4240.179, 86.0.4240.180, 86.0.4240.181, 86.0.4240.183, 86.0.4240.185, 86.0.4240.186, 86.0.4240.187, 86.0.4240.188, 86.0.4240.189, 86.0.4240.190, 86.0.4240.191, 86.0.4240.192, 86.0.4240.193, 86.0.4240.194, 86.0.4240.195, 86.0.4240.196, 86.0.4240.197

CPE External links

https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_11.html
https://crbug.com/1147206

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.

2) Use-after-free

Risk: Critical

CVSSv3: 8.4 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-16017

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 site isolation 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.

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

Mitigation

Update to version 86.0.4240.198.

Vulnerable software versions

Google Chrome: 86.0.4240.0, 86.0.4240.1, 86.0.4240.2, 86.0.4240.3, 86.0.4240.4, 86.0.4240.5, 86.0.4240.6, 86.0.4240.7, 86.0.4240.8, 86.0.4240.9, 86.0.4240.10, 86.0.4240.11, 86.0.4240.12, 86.0.4240.13, 86.0.4240.14, 86.0.4240.15, 86.0.4240.16, 86.0.4240.17, 86.0.4240.18, 86.0.4240.19, 86.0.4240.20, 86.0.4240.21, 86.0.4240.22, 86.0.4240.23, 86.0.4240.24, 86.0.4240.25, 86.0.4240.26, 86.0.4240.27, 86.0.4240.28, 86.0.4240.29, 86.0.4240.30, 86.0.4240.31, 86.0.4240.32, 86.0.4240.33, 86.0.4240.34, 86.0.4240.35, 86.0.4240.36, 86.0.4240.37, 86.0.4240.38, 86.0.4240.39, 86.0.4240.40, 86.0.4240.41, 86.0.4240.42, 86.0.4240.43, 86.0.4240.44, 86.0.4240.45, 86.0.4240.46, 86.0.4240.47, 86.0.4240.48, 86.0.4240.49, 86.0.4240.50, 86.0.4240.51, 86.0.4240.52, 86.0.4240.53, 86.0.4240.54, 86.0.4240.55, 86.0.4240.56, 86.0.4240.57, 86.0.4240.58, 86.0.4240.59, 86.0.4240.60, 86.0.4240.61, 86.0.4240.62, 86.0.4240.63, 86.0.4240.64, 86.0.4240.65, 86.0.4240.66, 86.0.4240.67, 86.0.4240.68, 86.0.4240.69, 86.0.4240.70, 86.0.4240.71, 86.0.4240.72, 86.0.4240.73, 86.0.4240.74, 86.0.4240.75, 86.0.4240.76, 86.0.4240.77, 86.0.4240.78, 86.0.4240.79, 86.0.4240.80, 86.0.4240.81, 86.0.4240.83, 86.0.4240.92, 86.0.4240.93, 86.0.4240.94, 86.0.4240.95, 86.0.4240.99, 86.0.4240.100, 86.0.4240.101, 86.0.4240.102, 86.0.4240.103, 86.0.4240.105, 86.0.4240.107, 86.0.4240.108, 86.0.4240.109, 86.0.4240.110, 86.0.4240.111, 86.0.4240.112, 86.0.4240.114, 86.0.4240.119, 86.0.4240.120, 86.0.4240.121, 86.0.4240.122, 86.0.4240.123, 86.0.4240.124, 86.0.4240.175, 86.0.4240.176, 86.0.4240.177, 86.0.4240.178, 86.0.4240.179, 86.0.4240.180, 86.0.4240.181, 86.0.4240.183, 86.0.4240.185, 86.0.4240.186, 86.0.4240.187, 86.0.4240.188, 86.0.4240.189, 86.0.4240.190, 86.0.4240.191, 86.0.4240.192, 86.0.4240.193, 86.0.4240.194, 86.0.4240.195, 86.0.4240.196, 86.0.4240.197

CPE External links

https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_11.html
https://crbug.com/1146709

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.