#VU57765 Improperly implemented security check for standard in Google Chromium - CVE-2021-38003

Vulnerability identifier: #VU57765

Vulnerability risk: Critical

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2021-38003

CWE-ID: CWE-358

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Google Chromium
Client/Desktop applications / Web browsers

Vendor: Google

Description

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

The vulnerability exists due to incorrect implementation in the V8 engine 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 95.0.4638.69.

Vulnerable software versions

Google Chromium: 95.0.4638.0 - 95.0.4638.68

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External links
https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html
https://crbug.com/1263462
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38003

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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.