CVE-2024-7967
📋 TL;DR
A heap buffer overflow vulnerability in Chrome's font processing allows remote attackers to potentially execute arbitrary code or cause denial of service via a specially crafted HTML page. This affects all users running vulnerable versions of Google Chrome. The vulnerability requires user interaction (visiting a malicious webpage) to be exploited.
💻 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, data theft, or ransomware deployment.
Likely Case
Browser crash (denial of service) or limited information disclosure from heap memory corruption.
If Mitigated
Browser sandboxing may contain the exploit to the browser process, preventing full system compromise.
🎯 Exploit Status
Exploitation requires user to visit a malicious webpage. No authentication required beyond accessing the page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 128.0.6613.84
Vendor Advisory: https://chromereleases.googleblog.com/2024/08/stable-channel-update-for-desktop_21.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click the three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for updates and install version 128.0.6613.84. 4. Click 'Relaunch' to restart Chrome with the fix applied.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents execution of malicious scripts that could trigger the vulnerability
Use Browser Sandboxing
allRun Chrome in a sandboxed environment to limit potential damage
🧯 If You Can't Patch
- Restrict access to untrusted websites using web filtering or proxy controls
- Implement application whitelisting to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings → About Chrome. If version is below 128.0.6613.84, the system is vulnerable.Check Version:
google-chrome --version (Linux) or chrome://version/ in browser address barVerify Fix Applied:
Confirm Chrome version is 128.0.6613.84 or higher in Settings → About Chrome.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with memory corruption errors
- Unexpected Chrome process termination
Network Indicators:
- Requests to suspicious domains serving HTML with custom fonts
- Unusual font file downloads
SIEM Query:
source="chrome_crash_reports" AND (message="heap corruption" OR message="buffer overflow")