CVE-2023-1222
📋 TL;DR
This vulnerability is a heap buffer overflow in Chrome's Web Audio API that allows remote attackers to potentially exploit heap corruption via malicious web pages. It affects all users running Google Chrome versions prior to 111.0.5563.64. Attackers could execute arbitrary code or cause denial of service.
💻 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 unstable browser behavior.
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 disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 111.0.5563.64 and later
Vendor Advisory: https://chromereleases.googleblog.com/2023/03/stable-channel-update-for-desktop.html
Restart Required: Yes
Instructions:
1. Open Chrome 2. Click menu (three dots) → Help → About Google Chrome 3. Chrome will automatically check for and install updates 4. Click 'Relaunch' to restart Chrome
🔧 Temporary Workarounds
Disable JavaScript
allPrevents execution of malicious JavaScript that could trigger the vulnerability
chrome://settings/content/javascript → Block
Use browser sandboxing
allRun Chrome in sandboxed environment to limit impact
🧯 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: If version is less than 111.0.5563.64, system is vulnerable
Check Version:
chrome://version
Verify Fix Applied:
Confirm Chrome version is 111.0.5563.64 or higher
📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process termination events
- Memory access violation logs
Network Indicators:
- Requests to known malicious domains hosting exploit code
- Unusual Web Audio API traffic patterns
SIEM Query:
source="chrome" AND (event_type="crash" OR message="*WebAudio*" OR message="*heap*overflow*")