CVE-2022-1145

7.5 HIGH

📋 TL;DR

This vulnerability allows attackers to exploit heap corruption through a use-after-free bug in Chrome's extension system. Attackers must convince users to install a malicious extension and then trigger specific user interactions while destroying profiles. All Chrome users with vulnerable versions are affected.

💻 Affected Systems

Products:
  • Google Chrome
Versions: Prior to 100.0.4896.60
Operating Systems: Windows, macOS, Linux, Chrome OS
Default Config Vulnerable: ⚠️ Yes
Notes: Requires user to install malicious extension and perform specific interactions during profile destruction.

📦 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

Full system compromise through arbitrary code execution, potentially leading to data theft, ransomware deployment, or complete system control.

🟠

Likely Case

Browser compromise allowing session hijacking, credential theft, and installation of persistent malware through malicious extensions.

🟢

If Mitigated

Limited impact with proper extension vetting and user education, potentially only browser crash or limited data exposure.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires social engineering to install malicious extension plus specific user interaction sequences.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 100.0.4896.60 and later

Vendor Advisory: https://chromereleases.googleblog.com/2022/03/stable-channel-update-for-desktop_29.html

Restart Required: Yes

Instructions:

1. Open Chrome 2. Click menu → Help → About Google Chrome 3. Allow update to download and install 4. Click Relaunch to restart Chrome

🔧 Temporary Workarounds

Disable Extension Installation

all

Prevent users from installing extensions to block the initial attack vector

chrome://settings/content/extensions → Toggle 'Allow extensions from other stores' to OFF

Enable Enhanced Protection

all

Enable Chrome's enhanced security features for better protection

chrome://settings/security → Select 'Enhanced protection'

🧯 If You Can't Patch

  • Implement strict extension whitelisting policies
  • Deploy application control to block Chrome execution

🔍 How to Verify

Check if Vulnerable:

Check Chrome version in menu → Help → About Google Chrome

Check Version:

google-chrome --version

Verify Fix Applied:

Confirm version is 100.0.4896.60 or higher

📡 Detection & Monitoring

Log Indicators:

  • Chrome crash reports with extension-related errors
  • Unexpected extension installation events

Network Indicators:

  • Downloads from suspicious extension stores
  • Unusual extension update traffic

SIEM Query:

source="chrome" AND (event="extension_install" OR event="crash") AND version<"100.0.4896.60"

🔗 References

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