CVE-2022-1638
📋 TL;DR
This vulnerability is a heap buffer overflow in Chrome's V8 Internationalization component that allows remote attackers to potentially exploit heap corruption. Attackers can trigger this by tricking users into visiting a malicious HTML page. All users running vulnerable versions of Google Chrome 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...
Learn more about Chrome →⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to full system compromise, data theft, or installation of persistent malware.
Likely Case
Browser crash (denial of service) or limited memory corruption leading to information disclosure.
If Mitigated
No impact if Chrome is updated to patched version or if exploit attempts are blocked by security controls.
🎯 Exploit Status
Exploitation requires bypassing Chrome's sandbox and ASLR protections. No public exploit code was available at disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 101.0.4951.64 and later
Vendor Advisory: https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_10.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 version 101.0.4951.64 or later. 4. Click 'Relaunch' to restart Chrome.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by disabling JavaScript execution in Chrome
Use Chrome Enterprise policies
allConfigure Chrome via Group Policy or MDM to restrict untrusted websites
🧯 If You Can't Patch
- Use alternative browsers until Chrome can be updated
- Implement network filtering to block known malicious domains and restrict web browsing
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: If version is less than 101.0.4951.64, system is vulnerable.Check Version:
chrome://version/ or 'google-chrome --version' on command lineVerify Fix Applied:
Confirm Chrome version is 101.0.4951.64 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with V8 Internationalization component
- Unexpected Chrome process termination
Network Indicators:
- Requests to suspicious domains with crafted HTML content
- Unusual outbound connections after visiting web pages
SIEM Query:
source="chrome" AND (event="crash" OR event="process_termination") AND component="v8_internationalization"