WebRTC Heap Buffer Overflow Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH

8.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation Likelihood

EPSS Prediction

1.53 %

Predictive Probability

Percentile Rank

81.2 th

Documented as more likely to be exploited than 81.2% of known CVEs.

Detection Date

Aug 25, 2022

Remediation Due

Sep 15, 2022

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

https://groups.google.com/g/discuss-webrtc/c/5KBtZx2gvcQ

NVD

National Vulnerability Database

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