CVE-2023-0705
📋 TL;DR
This integer overflow vulnerability in Google Chrome's Core component allows remote attackers to potentially exploit heap corruption via a crafted HTML page. Attackers need to win a race condition to trigger the vulnerability. All users running 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...
Learn more about Chrome →⚠️ 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 memory corruption that may be difficult to weaponize reliably.
If Mitigated
No impact if Chrome is updated to patched version or if exploit attempts fail due to race condition requirements.
🎯 Exploit Status
Exploitation requires winning a race condition, making reliable exploitation challenging. No public exploit code has been reported.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 110.0.5481.77 and later
Vendor Advisory: https://chromereleases.googleblog.com/2023/02/stable-channel-update-for-desktop.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click the three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for updates and install if available. 4. Click 'Relaunch' to restart Chrome with the update.
🔧 Temporary Workarounds
Disable JavaScript
allTemporarily disable JavaScript to prevent malicious HTML pages from executing exploit code
Use browser sandboxing
allRun Chrome in a sandboxed environment to limit potential damage from exploitation
🧯 If You Can't Patch
- Restrict access to untrusted websites and implement web filtering
- Use application whitelisting to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: If version is less than 110.0.5481.77, the system is vulnerable.Check Version:
chrome://version/ (in Chrome address bar) or 'google-chrome --version' (command line)Verify Fix Applied:
Confirm Chrome version is 110.0.5481.77 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected browser termination events
- Memory access violation logs
Network Indicators:
- Requests to known malicious domains hosting exploit code
- Unusual HTML/JavaScript patterns in web traffic
SIEM Query:
source="chrome_logs" AND (event="crash" OR event="memory_violation") AND version<"110.0.5481.77"🔗 References
- https://chromereleases.googleblog.com/2023/02/stable-channel-update-for-desktop.html
- https://crbug.com/1238642
- https://security.gentoo.org/glsa/202309-17
- https://chromereleases.googleblog.com/2023/02/stable-channel-update-for-desktop.html
- https://crbug.com/1238642
- https://security.gentoo.org/glsa/202309-17
