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CVE-2022-2294: WebRTC Heap Buffer Overflow Vulnerability

criticalknown exploitedCVE-2022-2294
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
WebRTC, an open-source project providing web browsers with real-time communication, contains a heap buffer overflow vulnerability that allows an attacker to perform shellcode execution. This vulnerability impacts web browsers using WebRTC including but not limited to Google Chrome.

CSIRTS triage

vendor: WebRTCproduct: WebRTCRemote code executionMemory corruption
What
The vulnerability is a heap buffer overflow that allows for shellcode execution.
Who is affected
Web browsers using WebRTC, including Google Chrome, are affected.
Urgency
Remediation is critical as exploitation is possible and the severity is high.
Action
Update the web browser to the latest version that includes the fix.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-08-25
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-2294

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2022-2294coverage & exploitation statusNVD · CVE.org

Recent advisories for WebRTC Heap Buffer

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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