CVE-2024-0517
📋 TL;DR
This vulnerability is an out-of-bounds write in Chrome's V8 JavaScript engine that allows remote attackers to potentially exploit heap corruption via a crafted HTML page. Attackers could execute arbitrary code or cause denial of service. All users of affected Chrome versions are at risk.
💻 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...
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⚠️ 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 code execution in browser sandbox
If Mitigated
No impact if patched or if exploit fails due to ASLR/dep protections
🎯 Exploit Status
Exploitation requires JavaScript execution but no authentication. Chrome's sandbox makes reliable exploitation challenging.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 120.0.6099.224
Vendor Advisory: https://chromereleases.googleblog.com/2024/01/stable-channel-update-for-desktop_16.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 update
4. Click 'Relaunch' to restart Chrome
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by blocking JavaScript execution
Use browser extensions to block malicious sites
allReduces exposure to malicious HTML pages
🧯 If You Can't Patch
- Use alternative browser temporarily
- Restrict web browsing to trusted sites only
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings → About Chrome
Check Version:
google-chrome --version (Linux) or chrome://version in address bar
Verify Fix Applied:
Confirm version is 120.0.6099.224 or later
📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process termination
Network Indicators:
- Requests to known exploit domains
- Suspicious JavaScript payloads
SIEM Query:
source="chrome_crash_logs" AND version<"120.0.6099.224"
🔗 References
- https://chromereleases.googleblog.com/2024/01/stable-channel-update-for-desktop_16.html
- https://crbug.com/1515930
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IIUBRVICICWREJQUVT67RS7E4PVZQ5RS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNN4SO5UI3U3Q6ASTVT6WMZ4723FYDLH/
- https://chromereleases.googleblog.com/2024/01/stable-channel-update-for-desktop_16.html
- https://crbug.com/1515930
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IIUBRVICICWREJQUVT67RS7E4PVZQ5RS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNN4SO5UI3U3Q6ASTVT6WMZ4723FYDLH/
- https://www.vicarius.io/vsociety/posts/out-of-bound-write-in-v8-javascript-engine-cve-2024-0517