Google Chromium V8 Type Confusion Vulnerability
Google Chromium V8 Engine contains a type confusion vulnerability allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2022-05-03 under CISA BOD 22-01.
This is a Type Confusion (CWE-843) vulnerability in Google Chromium V8. Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Exploitation requires remote network access, low attack complexity, no authentication required, and user interaction required.
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Phishing link
🖼
Malicious file
🔓
Server compromised
Probably yes if any of these apply:
Active exploitation documented in the wild. Threat-research write-up: http://packetstormsecurity.com/files/156632/Google-Chrome-80-JSCreate-Side-Effect-Type-Confusion.html
Manual remediation steps
Apply the Vendor Patch
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.
CISA required action: Apply updates per vendor instructions.
References
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References