CVE-2022-1493
📋 TL;DR
This is a use-after-free vulnerability in Chrome's Dev Tools that could allow heap corruption. Attackers could potentially execute arbitrary code or cause crashes by tricking users into interacting with malicious Dev Tools content. Users of Google Chrome versions prior to 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 ransomware deployment
Likely Case
Browser crash or denial of service, with potential for limited code execution in browser context
If Mitigated
No impact if Chrome is updated to patched version or Dev Tools are disabled
🎯 Exploit Status
Exploitation requires specific user interaction with Dev Tools and is not trivial
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 101.0.4951.41
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
🔧 Temporary Workarounds
Disable Dev Tools
allPrevent exploitation by disabling Chrome Dev Tools access
chrome://flags/#enable-devtools-experiments → Disabled
chrome://flags/#enable-devtools-experiments → Disabled
🧯 If You Can't Patch
- Disable Chrome Dev Tools via group policy or registry settings
- Use alternative browsers until Chrome can be updated
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in menu → Help → About Google ChromeCheck Version:
google-chrome --version (Linux) or check About pageVerify Fix Applied:
Verify Chrome version is 101.0.4951.41 or later📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with memory corruption signatures
- Unexpected Dev Tools usage patterns
Network Indicators:
- Unusual traffic from Chrome processes after Dev Tools interaction
SIEM Query:
source="chrome_crash_reports" AND (message="heap corruption" OR message="use-after-free")🔗 References
- https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_26.html
- https://crbug.com/1275414
- https://security.gentoo.org/glsa/202208-25
- https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_26.html
- https://crbug.com/1275414
- https://security.gentoo.org/glsa/202208-25
