CVE-2022-1640
📋 TL;DR
This is a use-after-free vulnerability in Google Chrome's Sharing component that allows remote attackers to potentially exploit heap corruption. Attackers can trigger this by convincing users to interact with a crafted HTML page, potentially leading to arbitrary code execution. All users running vulnerable versions of Google Chrome are affected.
💻 Affected Systems
- Google Chrome
📦 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 with the privileges of the Chrome process, potentially leading to full system compromise, data theft, or ransomware deployment.
Likely Case
Browser crash (denial of service) or limited code execution within Chrome's sandbox, potentially enabling data exfiltration or further exploitation.
If Mitigated
No impact if Chrome is fully patched or if users avoid interacting with malicious web content.
🎯 Exploit Status
Requires user interaction with specific UI elements on a malicious page. No public exploit code has been disclosed as of analysis.
🛠️ 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 with the fix.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents the malicious HTML page from executing the exploit code
chrome://settings/content/javascript → Toggle to 'Blocked'
Use Chrome's Site Isolation
allEnhances sandboxing to limit impact if exploitation occurs
chrome://flags/#site-isolation-trial-opt-out → Set to 'Disabled'
🧯 If You Can't Patch
- Restrict web browsing to trusted sites only using Chrome's Site Settings
- Deploy application whitelisting to prevent execution of unknown processes
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: If version is less than 101.0.4951.64, the system is vulnerable.Check Version:
chrome://version (on Chrome) or google-chrome --version (command line)Verify Fix Applied:
Confirm Chrome version is 101.0.4951.64 or higher via chrome://version📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with sharing-related components
- Unexpected Chrome process termination events
Network Indicators:
- Requests to unusual domains followed by Chrome crashes
- Multiple users accessing same suspicious URL with subsequent issues
SIEM Query:
source="chrome_crash_logs" AND (process="chrome" OR process="chrome.exe") AND message="*sharing*" AND severity="CRITICAL"🔗 References
- https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_10.html
- https://crbug.com/1320592
- https://security.gentoo.org/glsa/202208-25
- https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_10.html
- https://crbug.com/1320592
- https://security.gentoo.org/glsa/202208-25
