CVE-2020-16010
📋 TL;DR
This vulnerability is a heap buffer overflow in the UI component of Google Chrome on Android. It allows a remote attacker who has already compromised the renderer process to potentially escape the browser's sandbox and execute arbitrary code on the device. Users of Google Chrome on Android are affected.
💻 Affected Systems
- Google Chrome for Android
📦 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
Full device compromise: attacker gains arbitrary code execution outside the browser sandbox, potentially installing malware, stealing data, or taking control of the device.
Likely Case
Sandbox escape leading to limited system access, potentially allowing data theft or further privilege escalation.
If Mitigated
If Chrome's sandbox is intact and other security controls are in place, the impact is limited to the compromised renderer process.
🎯 Exploit Status
Exploitation requires first compromising the renderer process; CISA lists as known exploited.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 86.0.4240.185
Vendor Advisory: https://chromereleases.googleblog.com/2020/11/chrome-for-android-update.html
Restart Required: Yes
Instructions:
1. Open Google Play Store. 2. Search for 'Chrome'. 3. Tap 'Update' if available. 4. Alternatively, enable auto-updates in Play Store settings.
🔧 Temporary Workarounds
Disable JavaScript
androidTemporarily disable JavaScript in Chrome settings to reduce attack surface.
chrome://settings/content/javascript
🧯 If You Can't Patch
- Restrict browsing to trusted websites only.
- Use alternative browsers temporarily.
🔍 How to Verify
Check if Vulnerable:
Open Chrome, go to Settings > About Chrome. Check version number.Check Version:
chrome://version/Verify Fix Applied:
Confirm Chrome version is 86.0.4240.185 or higher.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports, unusual process spawns from Chrome
Network Indicators:
- Suspicious web traffic to known exploit domains
SIEM Query:
process_name:chrome AND (event_id:1000 OR event_id:1001) OR parent_process:chrome.exe