CVE-2022-1478
📋 TL;DR
This is a use-after-free vulnerability in SwiftShader, Chrome's software renderer, that allows remote attackers to potentially exploit heap corruption via a crafted HTML page. Attackers could execute arbitrary code or cause denial of service. All Chrome users prior to version 101.0.4951.41 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 ransomware deployment.
Likely Case
Browser crash (denial of service) or limited code execution within sandbox constraints.
If Mitigated
Browser crash with no further impact if sandbox holds, or successful exploitation but limited by system security controls.
🎯 Exploit Status
Exploitation requires bypassing Chrome's sandbox and other security mitigations.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 101.0.4951.41 and later
Vendor Advisory: https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_26.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Click 'Relaunch' to restart Chrome.
🔧 Temporary Workarounds
Disable SwiftShader
allForce Chrome to use hardware acceleration only, bypassing vulnerable component.
chrome://flags/#disable-accelerated-2d-canvas
Set to 'Disabled'
Enable Site Isolation
allEnhances sandboxing to limit impact if exploited.
chrome://flags/#enable-site-per-process
Set to 'Enabled'
🧯 If You Can't Patch
- Restrict access to untrusted websites using web filtering or proxy rules.
- Deploy application allowlisting to prevent execution of malicious payloads.
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in About Google Chrome page.
Check Version:
google-chrome --version
Verify Fix Applied:
Confirm Chrome version is 101.0.4951.41 or higher.
📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process termination logs
- Sandbox escape attempts in system logs
Network Indicators:
- Unusual outbound connections from Chrome processes
- Traffic to known exploit hosting domains
SIEM Query:
process_name:"chrome.exe" AND (event_id:1000 OR event_id:1001) OR process_name:"chrome" AND signal:SIGSEGV
🔗 References
- https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_26.html
- https://crbug.com/1299261
- https://security.gentoo.org/glsa/202208-25
- https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_26.html
- https://crbug.com/1299261
- https://security.gentoo.org/glsa/202208-25