CVE-2024-9369
📋 TL;DR
This vulnerability allows a remote attacker who has already compromised Chrome's renderer process to perform out-of-bounds memory writes via a crafted HTML page. This could lead to arbitrary code execution within the browser context. 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...
Learn more about Chrome →⚠️ Risk & Real-World Impact
Worst Case
Full browser compromise leading to arbitrary code execution, data theft, and potential system compromise if combined with other vulnerabilities.
Likely Case
Browser crash or sandbox escape allowing further exploitation within the browser context.
If Mitigated
Limited impact due to Chrome's sandboxing, potentially just a browser crash.
🎯 Exploit Status
Requires renderer process compromise first, then exploitation of this specific vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 129.0.6668.89 and later
Vendor Advisory: https://chromereleases.googleblog.com/2024/10/stable-channel-update-for-desktop.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 updates. 4. Click 'Relaunch' to restart Chrome.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by disabling JavaScript execution
chrome://settings/content/javascript → Block
🧯 If You Can't Patch
- Use alternative browsers until patching is possible
- Implement network filtering to block malicious websites
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings → About Chrome. If version is below 129.0.6668.89, system is vulnerable.
Check Version:
chrome://version/
Verify Fix Applied:
Verify Chrome version is 129.0.6668.89 or higher after update.
📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Renderer process termination logs
Network Indicators:
- Unusual outbound connections from Chrome processes
SIEM Query:
source="chrome" AND (event="crash" OR event="renderer_terminated")