CVE-2022-1491
📋 TL;DR
This is a use-after-free vulnerability in Google Chrome's bookmarks feature that could allow heap corruption. Attackers could potentially execute arbitrary code or cause browser crashes by tricking users into interacting with specially crafted bookmarks. All Chrome users prior to version 101.0.4951.41 are affected.
💻 Affected Systems
- Google Chrome
📦 What is this software?
Chrome by Google
Google Chrome is the world's most popular web browser, used by over 3 billion users globally across Windows, macOS, Linux, Android, and iOS platforms. As a Chromium-based browser developed by Google, Chrome dominates the browser market with approximately 65% market share, making it a critical compon...
Learn more about Chrome →⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to full system compromise, data theft, or malware installation.
Likely Case
Browser crash (denial of service) or limited memory corruption leading to unstable browser behavior.
If Mitigated
No impact if Chrome is updated to patched version or if exploit attempts are blocked by security controls.
🎯 Exploit Status
Requires specific user interaction with bookmarks. No public exploit code available at disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 101.0.4951.41 and later
Vendor Advisory: https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_26.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Click 'Relaunch' when prompted to complete the update.
🔧 Temporary Workarounds
Disable bookmarks feature
allRemove or disable bookmark functionality to prevent exploitation vector
Not applicable - requires Chrome policy configuration or extension removal
Use Chrome Enterprise policies
windowsConfigure policies to restrict bookmark manipulation
Configure via Group Policy (Windows) or plist (macOS) with BookmarkBarEnabled=false
🧯 If You Can't Patch
- Use alternative browsers until Chrome can be updated
- Implement application whitelisting to prevent unauthorized Chrome execution
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: chrome://version/ - if version is less than 101.0.4951.41, system is vulnerable.
Check Version:
chrome://version/ or 'google-chrome --version' on Linux/macOS command line
Verify Fix Applied:
Confirm Chrome version is 101.0.4951.41 or higher via chrome://version/
📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with memory corruption signatures
- Unexpected bookmark manipulation events
Network Indicators:
- Traffic to known malicious sites hosting exploit code
- Unusual bookmark synchronization activity
SIEM Query:
source="chrome" AND (event="crash" OR event="bookmark_modified") AND version<"101.0.4951.41"
🔗 References
- https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_26.html
- https://crbug.com/1305706
- https://security.gentoo.org/glsa/202208-25
- https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_26.html
- https://crbug.com/1305706
- https://security.gentoo.org/glsa/202208-25