CVE-2022-0465

8.8 HIGH

📋 TL;DR

This CVE describes a use-after-free vulnerability in Chrome's Extensions component that could allow heap corruption. Attackers could potentially exploit this to execute arbitrary code or cause browser crashes by tricking users into interacting with malicious content. All Chrome users prior to version 98.0.4758.80 are affected.

💻 Affected Systems

Products:
  • Google Chrome
  • Chromium-based browsers
Versions: All versions prior to 98.0.4758.80
Operating Systems: Windows, macOS, Linux, Chrome OS, Android
Default Config Vulnerable: ⚠️ Yes
Notes: All standard Chrome installations with extensions enabled are vulnerable. Extensions don't need to be malicious - the vulnerability is in Chrome's extension handling code.

📦 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

Remote code execution leading to full system compromise, data theft, or ransomware deployment.

🟠

Likely Case

Browser crash, denial of service, or limited code execution within Chrome's sandbox.

🟢

If Mitigated

No impact if Chrome is updated to patched version or if exploit attempts are blocked by security controls.

🌐 Internet-Facing: HIGH - Attackers can deliver exploits via websites, emails, or ads that users might visit.
🏢 Internal Only: MEDIUM - Risk exists if users visit malicious internal sites or open crafted documents, but external attack surface is reduced.

🎯 Exploit Status

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

Exploitation requires user interaction (clicking, navigating). No public exploit code was found in references, but use-after-free vulnerabilities in browsers are frequently exploited.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 98.0.4758.80 and later

Vendor Advisory: https://chromereleases.googleblog.com/2022/02/stable-channel-update-for-desktop.html

Restart Required: Yes

Instructions:

1. Open Chrome. 2. Click three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Click 'Relaunch' when prompted to complete the update.

🔧 Temporary Workarounds

Disable Chrome Extensions

all

Temporarily disable all extensions to reduce attack surface while waiting for patch.

chrome://extensions/ → toggle off all extensions

Use Chrome Sandboxing

all

Ensure Chrome sandbox is enabled (default) to limit potential impact of exploitation.

Verify chrome://sandbox/ shows sandbox is enabled

🧯 If You Can't Patch

  • Restrict web browsing to trusted sites only using proxy or firewall rules
  • Implement application whitelisting to prevent execution of unknown processes

🔍 How to Verify

Check if Vulnerable:

Check Chrome version: if below 98.0.4758.80, system is vulnerable.

Check Version:

On Windows/macOS/Linux: google-chrome --version or navigate to chrome://version/

Verify Fix Applied:

Confirm Chrome version is 98.0.4758.80 or higher after update.

📡 Detection & Monitoring

Log Indicators:

  • Chrome crash reports with extension-related errors
  • Unexpected Chrome process termination

Network Indicators:

  • Unusual outbound connections from Chrome after visiting suspicious sites

SIEM Query:

source="chrome_logs" AND (event="crash" OR event="extension_error") AND version<"98.0.4758.80"

🔗 References

📤 Share & Export