CVE-2022-0290
📋 TL;DR
This is a use-after-free vulnerability in Chrome's site isolation feature that allows a remote attacker to escape the browser sandbox via a malicious webpage. It affects all Chrome users running versions before 97.0.4692.99. Successful exploitation could lead to arbitrary code execution on the victim's system.
💻 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
Complete system compromise via sandbox escape leading to arbitrary code execution with user privileges, potentially enabling further privilege escalation.
Likely Case
Remote code execution within the browser context, allowing attacker to steal sensitive data, install malware, or pivot to other systems.
If Mitigated
No impact if Chrome is updated to patched version or if vulnerable versions are blocked from accessing malicious content.
🎯 Exploit Status
Exploit requires user to visit malicious webpage. Public proof-of-concept exists on Packet Storm. The vulnerability is in the renderer process which is sandboxed, making exploitation more complex but feasible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 97.0.4692.99 and later
Vendor Advisory: https://chromereleases.googleblog.com/2022/01/stable-channel-update-for-desktop_19.html
Restart Required: Yes
Instructions:
1. Open Chrome menu > Help > About Google Chrome. 2. Chrome will automatically check for updates and install version 97.0.4692.99 or later. 3. Click 'Relaunch' to restart Chrome with the update.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by disabling JavaScript execution, but breaks most modern websites
chrome://settings/content/javascript > Block
Use Chrome Enterprise policies
allBlock access to Chrome until patched via enterprise policies
Use Chrome Enterprise policies to block Chrome usage or force update
🧯 If You Can't Patch
- Use alternative browsers until Chrome can be updated
- Implement network filtering to block access to known malicious domains and suspicious web content
🔍 How to Verify
Check if Vulnerable:
Check Chrome version via chrome://version or chrome://settings/help. If version is less than 97.0.4692.99, system is vulnerable.
Check Version:
On Windows: "C:\Program Files\Google\Chrome\Application\chrome.exe" --version
On Linux: google-chrome --version
On macOS: /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --version
Verify Fix Applied:
Confirm Chrome version is 97.0.4692.99 or higher via chrome://version. Test with known safe exploit simulation if available.
📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with renderer process failures
- Unexpected Chrome child process terminations
- Security event logs showing Chrome sandbox violations
Network Indicators:
- Unusual outbound connections from Chrome processes
- Traffic to known exploit hosting domains
- Multiple rapid connections to different domains from single Chrome instance
SIEM Query:
source="chrome_logs" AND (event_type="crash" OR process_name="chrome_renderer") AND version<"97.0.4692.99"
🔗 References
- http://packetstormsecurity.com/files/166080/Chrome-RenderFrameHostImpl-Use-After-Free.html
- https://chromereleases.googleblog.com/2022/01/stable-channel-update-for-desktop_19.html
- https://crbug.com/1260134
- http://packetstormsecurity.com/files/166080/Chrome-RenderFrameHostImpl-Use-After-Free.html
- https://chromereleases.googleblog.com/2022/01/stable-channel-update-for-desktop_19.html
- https://crbug.com/1260134