Google Chromium Intents Improper Input Validation Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03

[ Description ]Official description

Insufficient validation of untrusted input in Intents in Google Chrome on Android prior to 95.0.4638.69 allowed a remote attacker to arbitrarily browser to a malicious URL via a crafted HTML page.

CISA: Google Chromium Intents contains an improper input validation vulnerability that allows a remote attacker to arbitrarily browser to a malicious URL 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 17 Nov 2021): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.htmlRelease Notes
• crbug.com/1249962ExploitIssue Tracking
• lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/messag…Release Notes
• www.debian.org/security/2022/dsa-5046Mailing ListThird Party Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource