CVE-2022-2161
📋 TL;DR
This is a use-after-free vulnerability in Chrome's WebApp Provider that allows remote attackers to potentially exploit heap corruption. Attackers can trigger this by convincing users to engage in specific UI interactions, potentially leading to arbitrary code execution. All users running Chrome versions prior to 103.0.5060.53 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, data theft, or ransomware deployment.
Likely Case
Browser crash (denial of service) or limited information disclosure through memory corruption.
If Mitigated
No impact if Chrome is updated to patched version or if user avoids suspicious UI interactions.
🎯 Exploit Status
Exploitation requires user interaction with specific UI elements. No public exploit code available at disclosure.
🛠️ 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 menu (three dots) → Help → About Google Chrome 3. Chrome will automatically check for and install updates 4. Click 'Relaunch' to restart Chrome
🔧 Temporary Workarounds
Disable WebApp features
allDisable Progressive Web App (PWA) features to reduce attack surface
chrome://flags/#enable-desktop-pwas → Disabled
chrome://flags/#enable-web-apps → Disabled
🧯 If You Can't Patch
- Disable JavaScript execution via extensions like NoScript
- Use Chrome in sandboxed/isolated environment
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: If version is less than 103.0.5060.53, system is vulnerableCheck Version:
chrome://versionVerify Fix Applied:
Confirm Chrome version is 103.0.5060.53 or higher📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with memory corruption signatures
- Unexpected WebApp process terminations
Network Indicators:
- Suspicious websites prompting unusual UI interactions
- Known exploit delivery domains
SIEM Query:
source="chrome_crash_reports" AND (process="chrome" OR process="webapp") AND error="heap_corruption" OR error="use_after_free"🔗 References
- https://chromereleases.googleblog.com/2022/06/stable-channel-update-for-desktop_21.html
- https://crbug.com/1330289
- 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/1330289
- 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
