#VU64910 Heap-based buffer overflow in Google Chrome - CVE-2022-2294

Vulnerability identifier: #VU64910

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-2022-2294

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

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

Vendor: Google

Description

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

The vulnerability exists due to a boundary error within WebRTC implementation. A remote attacker can trick the victim ti visit a specially crafted website, trigger a 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, the vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Google Chrome: 70.0.3538.67 - 103.0.5060.66

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External links
https://chromereleases.googleblog.com/2022/07/extended-stable-channel-update-for.html
https://crbug.com/1341043
https://bugs.webkit.org/show_bug.cgi?id=242339
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-2294

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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.