CVE-2024-1673
📋 TL;DR
This vulnerability is a use-after-free flaw in Chrome's Accessibility component that allows a compromised renderer process to potentially exploit heap corruption through specific UI gestures. Attackers who have already compromised the renderer process could leverage this to execute arbitrary code or cause crashes. All users running vulnerable versions of Google Chrome 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...
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⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to full system compromise, data theft, or ransomware deployment if combined with other vulnerabilities.
Likely Case
Browser crash, denial of service, or limited information disclosure from memory corruption.
If Mitigated
No impact if Chrome is fully patched or if renderer process compromise is prevented through sandboxing.
🎯 Exploit Status
Requires chaining with another vulnerability to compromise renderer process first. Specific UI gestures needed for exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 122.0.6261.57 and later
Vendor Advisory: https://chromereleases.googleblog.com/2024/02/stable-channel-update-for-desktop_20.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install update. 4. Click 'Relaunch' to restart Chrome with updated version.
🔧 Temporary Workarounds
Disable Accessibility Features
allTemporarily disable Chrome accessibility features to reduce attack surface
chrome://settings/accessibility → Disable all accessibility features
🧯 If You Can't Patch
- Restrict user access to untrusted websites and web applications
- Enable Chrome's enhanced security features like Site Isolation and strict sandboxing
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: If version is less than 122.0.6261.57, system is vulnerable.Check Version:
google-chrome --version (Linux) or chrome://version in browser address barVerify Fix Applied:
Confirm Chrome version is 122.0.6261.57 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with accessibility-related stack traces
- Unexpected renderer process terminations
Network Indicators:
- Unusual outbound connections following Chrome crashes
SIEM Query:
source="chrome_crash_reports" AND (process="renderer" OR component="accessibility")🔗 References
- https://chromereleases.googleblog.com/2024/02/stable-channel-update-for-desktop_20.html
- https://issues.chromium.org/issues/41490491
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PWWBMVQTSERVBXSXCZVUKIMEDNQUQ7O3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QDCMYQ3J45NHQ4EJREM3BJNNKB5BK4Y7/
- https://chromereleases.googleblog.com/2024/02/stable-channel-update-for-desktop_20.html
- https://issues.chromium.org/issues/41490491
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PWWBMVQTSERVBXSXCZVUKIMEDNQUQ7O3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QDCMYQ3J45NHQ4EJREM3BJNNKB5BK4Y7/
