CVE-2022-1311
📋 TL;DR
This is a use-after-free vulnerability in Chrome's shell component on ChromeOS that allows remote attackers to potentially exploit heap corruption. Attackers can trigger this vulnerability by tricking users into visiting a malicious HTML page. This affects ChromeOS users running Chrome versions prior to 100.0.4896.88.
💻 Affected Systems
- Google Chrome
- ChromeOS
📦 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 persistent malware installation on ChromeOS devices.
Likely Case
Browser crash (denial of service) or limited code execution within Chrome's sandbox, potentially leading to data exfiltration from browser sessions.
If Mitigated
No impact if Chrome is fully patched or if exploit attempts are blocked by security controls.
🎯 Exploit Status
Exploitation requires bypassing Chrome's sandbox and other security mitigations. No public exploit code has been disclosed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 100.0.4896.88 and later
Vendor Advisory: https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_11.html
Restart Required: Yes
Instructions:
1. Open Chrome browser on ChromeOS. 2. Click the three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Click 'Relaunch' to restart Chrome with the updated version.
🔧 Temporary Workarounds
Disable JavaScript
allTemporarily disable JavaScript to prevent exploitation via malicious HTML pages
chrome://settings/content/javascript → Block
Use Site Isolation
allEnsure site isolation is enabled for additional protection
chrome://flags/#site-isolation-trial-opt-out → Disabled
🧯 If You Can't Patch
- Restrict browsing to trusted websites only
- Implement network filtering to block malicious HTML content
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: Open Chrome → Click three-dot menu → Help → About Google Chrome. If version is below 100.0.4896.88, system is vulnerable.Check Version:
google-chrome --versionVerify Fix Applied:
Verify Chrome version is 100.0.4896.88 or higher using the same About Google Chrome page.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process terminations
- Memory access violation logs
Network Indicators:
- Requests to known malicious domains hosting exploit HTML
- Unusual outbound connections after visiting suspicious sites
SIEM Query:
source="chrome_logs" AND (event="crash" OR event="memory_violation") AND version<"100.0.4896.88"🔗 References
- https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_11.html
- https://crbug.com/1310717
- https://security.gentoo.org/glsa/202208-25
- https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_11.html
- https://crbug.com/1310717
- https://security.gentoo.org/glsa/202208-25
