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 Subscribe	Google Chrome Client/Desktop applications / Web browsers
Vendor	Google, Inc.

Security Advisory

1) Improperly implemented security check for standard

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] [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: 84.0.4147.105, 84.0.4147.125, 84.0.4147.135, 85.0.4183.83, 85.0.4183.102, 85.0.4183.121, 86.0.4240.75, 86.0.4240.111, 86.0.4240.183, 86.0.4240.193

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