SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2022-2294

WebRTC Heap Buffer Overflow Vulnerability

KEVHIGH 8.8EPSS 70.5%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 September 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Heap buffer overflow in WebRTC in Google Chrome prior to 103.0.5060.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
70.46% probability · 99th percentile
CISA KEV
Listed 25 August 2022 · due 15 September 2022 · used in ransomware campaigns
Weakness
CWE-787
Affected
google/chrome · fedoraproject/extra packages for enterprise linux · fedoraproject/fedora · webkitgtk/webkitgtk · wpewebkit/wpe webkit · apple/ipados · apple/iphone os · apple/mac os x · apple/macos · apple/tvos · apple/watchos · webrtc project/webrtc
Source
chrome-cve-admin@google.com

CISA notes

Apply updates per vendor instructions. https://groups.google.com/g/discuss-webrtc/c/5KBtZx2gvcQ; https://nvd.nist.gov/vuln/detail/CVE-2022-2294

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.