CVE-2023-6508
📋 TL;DR
This is a use-after-free vulnerability in Google Chrome's Media Stream component that allows remote attackers to potentially exploit heap corruption via a crafted HTML page. Attackers could execute arbitrary code or cause browser crashes. All users running vulnerable Chrome versions 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...
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⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to full system compromise, data theft, or malware installation.
Likely Case
Browser crash (denial of service) or limited code execution in browser sandbox.
If Mitigated
No impact if Chrome is updated to patched version or if exploit attempts are blocked by security controls.
🎯 Exploit Status
Exploitation requires user to visit malicious webpage. No public exploit code available at time of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 120.0.6099.62 and later
Vendor Advisory: https://chromereleases.googleblog.com/2023/12/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 with the update.
🔧 Temporary Workarounds
Disable JavaScript
allTemporarily disable JavaScript to prevent exploitation via malicious web pages
Use Browser Sandboxing
allRun Chrome in sandboxed environment to limit potential damage
🧯 If You Can't Patch
- Block access to untrusted websites using web filtering
- Implement application whitelisting to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings → About Chrome. If version is earlier than 120.0.6099.62, system is vulnerable.Check Version:
google-chrome --version (Linux) or chrome://version in address barVerify Fix Applied:
Verify Chrome version is 120.0.6099.62 or later in Settings → About Chrome.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process termination events
- Security event logs showing exploit attempts
Network Indicators:
- Requests to known malicious domains hosting exploit code
- Unusual outbound connections from Chrome processes
SIEM Query:
source="chrome" AND (event_type="crash" OR process_name="chrome.exe" AND exit_code!=0)🔗 References
- https://chromereleases.googleblog.com/2023/12/stable-channel-update-for-desktop.html
- https://crbug.com/1497984
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MMHY76AWPA46MAFXPWDGJX6FEGXZVR5Z/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RI3UHCTFH6KWAJGDZ2TOLT6VHKW53WCC/
- https://security.gentoo.org/glsa/202401-34
- https://www.debian.org/security/2023/dsa-5573
- https://chromereleases.googleblog.com/2023/12/stable-channel-update-for-desktop.html
- https://crbug.com/1497984
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MMHY76AWPA46MAFXPWDGJX6FEGXZVR5Z/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RI3UHCTFH6KWAJGDZ2TOLT6VHKW53WCC/
- https://security.gentoo.org/glsa/202401-34
- https://www.debian.org/security/2023/dsa-5573
