CVE-2024-9122
📋 TL;DR
This vulnerability is a type confusion flaw in Chrome's V8 JavaScript engine that allows attackers to perform out-of-bounds memory access. Attackers can exploit this by tricking users into visiting a malicious webpage, potentially leading to arbitrary code execution. All users running vulnerable versions of 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
Remote code execution leading to full system compromise, data theft, or ransomware deployment.
Likely Case
Browser crash (denial of service) or limited memory corruption leading to information disclosure.
If Mitigated
No impact if Chrome is fully patched or if exploit attempts are blocked by security controls.
🎯 Exploit Status
Exploitation requires JavaScript execution in Chrome's renderer process. No public exploit code is available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 129.0.6668.70 and later
Vendor Advisory: https://chromereleases.googleblog.com/2024/09/stable-channel-update-for-desktop_24.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click the three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Click 'Relaunch' to restart Chrome with the update.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents JavaScript execution which is required for exploitation
Use Chrome Site Isolation
allEnforces process isolation between sites to limit impact
🧯 If You Can't Patch
- Use alternative browsers until Chrome can be updated
- Implement network filtering to block known malicious domains hosting exploit pages
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings → About Chrome. If version is below 129.0.6668.70, you are vulnerable.Check Version:
On Windows: "chrome://version/" in address bar. On Linux: google-chrome --version. On macOS: /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --versionVerify Fix Applied:
Confirm Chrome version is 129.0.6668.70 or higher in Settings → About Chrome.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with V8-related errors
- Unexpected Chrome process termination
Network Indicators:
- HTTP requests to suspicious domains with crafted JavaScript payloads
SIEM Query:
source="chrome_logs" AND ("V8" OR "type confusion" OR "out of bounds")