CVE-2022-1876
📋 TL;DR
A heap buffer overflow vulnerability in Chrome DevTools allows attackers to potentially exploit heap corruption. This affects users who install malicious extensions and visit crafted HTML pages. The vulnerability enables arbitrary code execution in the browser context.
💻 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 with the privileges of the Chrome process, potentially leading to full system compromise if combined with privilege escalation vulnerabilities.
Likely Case
Arbitrary code execution within the browser sandbox, allowing data theft, session hijacking, or installation of persistent malware.
If Mitigated
Limited impact due to Chrome's sandboxing, potentially only affecting browser data and sessions.
🎯 Exploit Status
Requires social engineering to install malicious extension and visit crafted page. No public exploit code available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 102.0.5005.61 and later
Vendor Advisory: https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_24.html
Restart Required: Yes
Instructions:
1. Open Chrome menu > Help > About Google Chrome. 2. Chrome will automatically check for updates and install version 102.0.5005.61 or later. 3. Click 'Relaunch' to restart Chrome with the fix applied.
🔧 Temporary Workarounds
Disable DevTools
allPrevent exploitation by disabling Chrome DevTools entirely
Not applicable via command line - use Chrome policies or registry settings
Restrict Extension Installation
allOnly allow extensions from trusted sources via enterprise policies
Windows: Configure via Group Policy
macOS/Linux: Use Chrome Enterprise policies
🧯 If You Can't Patch
- Implement network filtering to block access to suspicious websites hosting crafted HTML pages
- Educate users about the risks of installing untrusted browser extensions
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: If version is below 102.0.5005.61, the system is vulnerable.Check Version:
chrome://version/ (in Chrome address bar) or 'google-chrome --version' (command line)Verify Fix Applied:
Confirm Chrome version is 102.0.5005.61 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with memory corruption signatures
- Unexpected DevTools activity in Chrome logs
Network Indicators:
- Connections to suspicious domains hosting crafted HTML pages
- Downloads of unknown browser extensions
SIEM Query:
source="chrome_logs" AND (event="crash" AND memory_corruption) OR (event="extension_install" AND source="unknown")🔗 References
- https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_24.html
- https://crbug.com/1313600
- https://security.gentoo.org/glsa/202208-25
- https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_24.html
- https://crbug.com/1313600
- https://security.gentoo.org/glsa/202208-25
