Zero-day vulnerability in Google Chrome

Heap-based buffer overflow
CVE-2022-2294

The vulnerability was reported to Google by the Avast Threat Intelligence team on 2022-07-01.

Vulnerability details

Advisory: SB2022070440 - Remote code execution in Google Chrome

Vulnerable component: Google Chrome

CVE-ID: CVE-2022-2294

CVSSv3 score: 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

CWE-ID: CWE-122 - Heap-based Buffer Overflow

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.

External links:

https://chromereleases.googleblog.com/2022/07/stable-channel-update-for-desktop.html

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.