CVE-2022-1125
📋 TL;DR
This is a use-after-free vulnerability in Google Chrome's Portals feature that could allow remote attackers to exploit heap corruption through specific user interaction. Attackers could potentially execute arbitrary code or cause browser crashes by convincing users to interact with malicious web content. All Chrome users prior to version 100.0.4896.60 are affected.
💻 Affected Systems
- Google Chrome
- Chromium-based browsers
📦 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 code execution within Chrome's sandbox
If Mitigated
Browser crash only, with Chrome's sandbox preventing system compromise
🎯 Exploit Status
Requires specific user interaction to trigger, making exploitation less trivial than drive-by attacks
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 100.0.4896.60 and later
Vendor Advisory: https://chromereleases.googleblog.com/2022/03/stable-channel-update-for-desktop_29.html
Restart Required: Yes
Instructions:
1. Open Chrome and click the three-dot menu 2. Go to Help > About Google Chrome 3. Chrome will automatically check for and install updates 4. Click 'Relaunch' to restart Chrome with the patched version
🔧 Temporary Workarounds
Disable Portals feature
allDisable the experimental Portals feature via Chrome flags
chrome://flags/#enable-portals
Set to 'Disabled'
Use alternative browser
allTemporarily use a non-Chromium browser until patched
🧯 If You Can't Patch
- Implement web filtering to block known malicious sites
- Enable Chrome's Enhanced Safe Browsing and site isolation features
🔍 How to Verify
Check if Vulnerable:
Check Chrome version via chrome://settings/help or 'About Google Chrome'
Check Version:
google-chrome --version (Linux) or check via chrome://version
Verify Fix Applied:
Confirm Chrome version is 100.0.4896.60 or higher
📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process termination logs
- Security event logs showing exploit attempts
Network Indicators:
- Traffic to known exploit domains
- Unusual outbound connections after visiting websites
SIEM Query:
source="chrome_logs" AND (event="crash" OR event="process_termination") AND version<"100.0.4896.60"
🔗 References
- https://chromereleases.googleblog.com/2022/03/stable-channel-update-for-desktop_29.html
- https://crbug.com/1292261
- https://security.gentoo.org/glsa/202208-25
- https://chromereleases.googleblog.com/2022/03/stable-channel-update-for-desktop_29.html
- https://crbug.com/1292261
- https://security.gentoo.org/glsa/202208-25