CVE-2022-1496
📋 TL;DR
This is a use-after-free vulnerability in Chrome's File Manager that could allow heap corruption. Attackers could potentially exploit this to execute arbitrary code or cause browser crashes by tricking users into performing specific interactions. 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 that could be leveraged for further exploitation.
If Mitigated
No impact if Chrome is updated to patched version or if exploit attempts are blocked by security controls.
🎯 Exploit Status
Exploitation requires specific user interaction with File Manager, making automated attacks difficult but targeted attacks possible.
🛠️ 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 menu (three dots) → Help → About Google Chrome 3. Chrome will automatically check for and install updates 4. Click 'Relaunch' to restart Chrome with the update
🔧 Temporary Workarounds
Disable Chrome auto-updates (temporary)
allPrevent Chrome from automatically updating if you need to maintain specific version for testing, but note this leaves you vulnerable.
# Not recommended as security measure
# Only for testing environments
🧯 If You Can't Patch
- Restrict user access to untrusted websites and file downloads
- Use application whitelisting to prevent unauthorized Chrome execution
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in menu → Help → About Google Chrome. If version is below 101.0.4951.41, you are vulnerable.
Check Version:
chrome://version/ or 'google-chrome --version' in terminal
Verify Fix Applied:
Verify Chrome version is 101.0.4951.41 or higher after update and restart.
📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with memory corruption signatures
- Unexpected File Manager access patterns
Network Indicators:
- Unusual downloads or file operations originating from Chrome
SIEM Query:
source="chrome_logs" AND (event="crash" OR event="memory_error") AND version<"101.0.4951.41"
🔗 References
- https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_26.html
- https://crbug.com/1306391
- https://security.gentoo.org/glsa/202208-25
- https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_26.html
- https://crbug.com/1306391
- https://security.gentoo.org/glsa/202208-25