CVE-2022-1143
📋 TL;DR
A heap buffer overflow vulnerability in Chrome's WebUI DevTools allows remote attackers to potentially exploit heap corruption by convincing users to interact with malicious input. This affects Google Chrome users prior to version 100.0.4896.60. Successful exploitation could lead to arbitrary code execution.
💻 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 with the privileges of the Chrome process, potentially leading to full system compromise if Chrome runs with elevated privileges.
Likely Case
Browser crash (denial of service) or limited code execution within Chrome's sandbox, potentially enabling data theft or further exploitation.
If Mitigated
No impact if Chrome is fully patched or if DevTools access is restricted.
🎯 Exploit Status
Exploitation requires convincing a user to interact with malicious input in DevTools, which adds a layer of social engineering.
🛠️ 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. 2. Click the three-dot menu > Help > About Google Chrome. 3. Chrome will automatically check for and apply updates. 4. Restart Chrome when prompted.
🔧 Temporary Workarounds
Disable DevTools Access
allRestrict access to Chrome DevTools via enterprise policies or user settings to prevent exploitation.
For enterprise: Configure Chrome policies to disable DevTools (e.g., DevToolsAvailability = 2).
🧯 If You Can't Patch
- Use Chrome in a sandboxed environment or with reduced privileges to limit potential damage.
- Educate users to avoid interacting with untrusted input in DevTools and monitor for suspicious browser behavior.
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: if below 100.0.4896.60, it is vulnerable.Check Version:
On command line: google-chrome --version (Linux) or in Chrome: chrome://version/Verify Fix Applied:
Confirm Chrome version is 100.0.4896.60 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Chrome crash logs with memory corruption errors, unusual DevTools usage patterns.
Network Indicators:
- Unusual network traffic from Chrome processes post-DevTools interaction.
SIEM Query:
Example: 'source="chrome_crash_logs" AND message="heap buffer overflow" OR "DevTools"'🔗 References
- https://chromereleases.googleblog.com/2022/03/stable-channel-update-for-desktop_29.html
- https://crbug.com/1303615
- https://security.gentoo.org/glsa/202208-25
- https://chromereleases.googleblog.com/2022/03/stable-channel-update-for-desktop_29.html
- https://crbug.com/1303615
- https://security.gentoo.org/glsa/202208-25
