CVE-2024-3156
📋 TL;DR
This vulnerability in Chrome's V8 JavaScript engine allows attackers to perform out-of-bounds memory access via malicious HTML pages, potentially leading to arbitrary code execution. It affects all users running vulnerable versions of Chrome/Chromium browsers. The high CVSS score reflects the serious impact of successful exploitation.
💻 Affected Systems
- Google Chrome
- Chromium-based browsers
- Microsoft Edge
- Brave
- Opera
📦 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 same privileges as the browser process, potentially leading to full system compromise, data theft, or malware installation.
Likely Case
Browser crash (denial of service) or limited information disclosure through memory access.
If Mitigated
No impact if browser is fully patched or if exploit attempts are blocked by security controls.
🎯 Exploit Status
Exploitation requires JavaScript execution in the browser context. No authentication or user interaction beyond visiting a malicious page is needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 123.0.6312.105 and later
Vendor Advisory: https://chromereleases.googleblog.com/2024/04/stable-channel-update-for-desktop.html
Restart Required: Yes
Instructions:
1. Open Chrome/Chromium browser 2. Click three-dot menu → Help → About Google Chrome 3. Browser will automatically check for and install updates 4. Click 'Relaunch' to restart with updated version
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by blocking JavaScript execution, but breaks most modern websites
chrome://settings/content/javascript → Block
Use browser sandboxing
linuxRun browser in isolated environment to limit potential damage
sudo firejail google-chrome-stable
🧯 If You Can't Patch
- Restrict browser usage to trusted websites only
- Implement network filtering to block known malicious domains and suspicious JavaScript
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: If version is less than 123.0.6312.105, system is vulnerableCheck Version:
google-chrome --version (Linux/Mac) or chrome://version (all platforms)Verify Fix Applied:
Confirm Chrome version is 123.0.6312.105 or higher📡 Detection & Monitoring
Log Indicators:
- Browser crash reports with V8-related errors
- Unusual memory access patterns in browser process
Network Indicators:
- Requests to known exploit domains
- Suspicious JavaScript payloads in web traffic
SIEM Query:
source="browser_logs" AND (error="V8" OR error="out of bounds")🔗 References
- https://chromereleases.googleblog.com/2024/04/stable-channel-update-for-desktop.html
- https://issues.chromium.org/issues/329130358
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EVEJEW7UCSUSK2J2FYQRZZPI74P2D3JP/
- https://chromereleases.googleblog.com/2024/04/stable-channel-update-for-desktop.html
- https://issues.chromium.org/issues/329130358
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EVEJEW7UCSUSK2J2FYQRZZPI74P2D3JP/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U26WECLV5QAQVTIFAUDSRO6QX3NTHYVC/
