CVE-2022-2156
📋 TL;DR
This is a use-after-free vulnerability in Google Chrome's Core component that allows remote attackers to potentially exploit heap corruption. Attackers can trigger this by tricking users into visiting a malicious HTML page, potentially leading to arbitrary code execution. All users running vulnerable versions of 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...
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⚠️ Risk & Real-World Impact
Worst Case
Remote code execution with the privileges of the Chrome process, potentially leading to full system compromise if combined with privilege escalation.
Likely Case
Browser crash (denial of service) or limited code execution within the Chrome sandbox, potentially stealing cookies, session data, or installing malware.
If Mitigated
Browser crash with no data loss if sandboxing works correctly, or exploit blocked by security controls.
🎯 Exploit Status
Exploitation requires user interaction (visiting malicious page) but no authentication. Heap corruption vulnerabilities can be challenging to exploit reliably.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 103.0.5060.53 and later
Vendor Advisory: https://chromereleases.googleblog.com/2022/06/stable-channel-update-for-desktop_21.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click the three-dot menu. 3. Go to Help > About Google Chrome. 4. Chrome will automatically check for and install updates. 5. Click 'Relaunch' to restart Chrome with the update.
🔧 Temporary Workarounds
Disable JavaScript
allTemporarily disable JavaScript to prevent exploitation via malicious HTML pages.
chrome://settings/content/javascript
Use Site Isolation
allEnsure site isolation is enabled to limit impact of potential exploits.
chrome://flags/#site-isolation-trial-opt-out (set to Disabled)
🧯 If You Can't Patch
- Use alternative browser until Chrome can be updated
- Implement network filtering to block known malicious sites
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: If version is less than 103.0.5060.53, system is vulnerable.Check Version:
chrome://version/ or 'google-chrome --version' on LinuxVerify Fix Applied:
Confirm Chrome version is 103.0.5060.53 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process termination
- Memory access violation errors
Network Indicators:
- Connections to suspicious domains serving HTML content
- Unusual outbound traffic from Chrome processes
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/2022/06/stable-channel-update-for-desktop_21.html
- https://crbug.com/1335458
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5BQRTR4SIUNIHLLPWTGYSDNQK7DYCRSB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H2C4XOJVIILDXTOSMWJXHSQNEXFWSOD7/
- https://security.gentoo.org/glsa/202208-25
- https://chromereleases.googleblog.com/2022/06/stable-channel-update-for-desktop_21.html
- https://crbug.com/1335458
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5BQRTR4SIUNIHLLPWTGYSDNQK7DYCRSB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H2C4XOJVIILDXTOSMWJXHSQNEXFWSOD7/
- https://security.gentoo.org/glsa/202208-25
