CVE-2023-0930
📋 TL;DR
A heap buffer overflow vulnerability in Google Chrome's video processing component allows remote attackers to potentially execute arbitrary code or cause denial of service via a specially crafted HTML page. This affects all users running Chrome versions prior to 110.0.5481.177. Attackers can exploit this by tricking users into visiting malicious websites.
💻 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, with potential for limited code execution in browser sandbox.
If Mitigated
Browser crash with no further impact if sandbox holds, or blocked by security controls.
🎯 Exploit Status
Exploitation requires user interaction (visiting malicious page). No public exploit code known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 110.0.5481.177 and later
Vendor Advisory: https://chromereleases.googleblog.com/2023/02/stable-channel-desktop-update_22.html
Restart Required: Yes
Instructions:
1. Open Chrome
2. Click menu (three dots) → Help → About Google Chrome
3. Chrome will automatically check for and apply updates
4. Restart Chrome when prompted
🔧 Temporary Workarounds
Disable JavaScript
allPrevents malicious HTML pages from executing exploit code
Use browser extensions to block scripts
allExtensions like NoScript or uBlock Origin can block malicious scripts
🧯 If You Can't Patch
- Restrict browser usage to trusted websites only
- Implement network filtering to block malicious domains
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in menu → Help → About Google ChromeCheck Version:
google-chrome --version (Linux), or check in Chrome settingsVerify Fix Applied:
Verify Chrome version is 110.0.5481.177 or higher📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected browser termination events
Network Indicators:
- Requests to known malicious domains serving HTML pages
SIEM Query:
source="chrome" AND (event="crash" OR event="termination")🔗 References
- https://chromereleases.googleblog.com/2023/02/stable-channel-desktop-update_22.html
- https://crbug.com/1410766
- https://security.gentoo.org/glsa/202309-17
- https://chromereleases.googleblog.com/2023/02/stable-channel-desktop-update_22.html
- https://crbug.com/1410766
- https://security.gentoo.org/glsa/202309-17
