Remote code execution in Google Chrome



Published: 2020-11-10 | Updated: 2020-11-23
Risk High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-16016
CWE ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Google Chrome
Client/Desktop applications / Web browsers

Vendor Google, Inc.

Security Advisory

Updated: 23.11.2020

Assigned CVE-ID.

1) Buffer overflow

Risk: High

CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-16016

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

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 inside a third-party library, used by Google Chrome. A remote attacker can create a specially crafted web page, 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 updates from vendor's website.

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

CPE External links

https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_9.html
https://crbug.com/1146679

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.