CVE-2024-7969
📋 TL;DR
A type confusion vulnerability in Chrome's V8 JavaScript engine allows attackers to execute arbitrary code through heap corruption when users visit malicious websites. This affects all Chrome users on vulnerable versions, enabling remote code execution without user interaction beyond browsing.
💻 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
Complete system compromise via remote code execution, allowing attackers to install malware, steal data, or pivot to other systems.
Likely Case
Drive-by compromise where visiting a malicious website leads to malware installation or credential theft.
If Mitigated
Limited impact if browser sandboxing works correctly, potentially only browser crash or limited data exposure.
🎯 Exploit Status
Type confusion vulnerabilities in V8 are frequently exploited in the wild. While no public PoC exists, similar vulnerabilities have been actively exploited.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 128.0.6613.113 and later
Vendor Advisory: https://chromereleases.googleblog.com/2024/08/stable-channel-update-for-desktop_28.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 with updated version
🔧 Temporary Workarounds
Disable JavaScript
allTemporarily disable JavaScript execution to prevent exploitation
chrome://settings/content/javascript → Block
Enable Site Isolation
allEnsure site isolation is enabled for additional protection
chrome://flags/#site-isolation-trial-opt-out → Disabled
🧯 If You Can't Patch
- Use alternative browsers until Chrome can be updated
- Implement network filtering to block known malicious domains and restrict browsing to trusted sites only
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in About Google Chrome page. If version is below 128.0.6613.113, system is vulnerable.Check Version:
google-chrome --version (Linux), "C:\Program Files\Google\Chrome\Application\chrome.exe" --version (Windows)Verify Fix Applied:
Verify Chrome version is 128.0.6613.113 or higher in About Google Chrome page.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with V8-related errors
- Unexpected process spawns from Chrome
- Memory access violation logs
Network Indicators:
- Connections to suspicious domains followed by unusual outbound traffic
- DNS requests for known exploit kit domains
SIEM Query:
source="chrome" AND (event_type="crash" OR process_name="chrome.exe") AND (message="V8" OR message="type confusion" OR message="heap corruption")