CVE-2022-0293

8.8 HIGH

📋 TL;DR

This is a use-after-free vulnerability in Chrome's web packaging component that allows remote attackers to potentially exploit heap corruption. Attackers can craft malicious HTML pages to trigger memory corruption, potentially leading to arbitrary code execution. All users running vulnerable Chrome versions are affected.

💻 Affected Systems

Products:
  • Google Chrome
Versions: All versions prior to 97.0.4692.99
Operating Systems: Windows, macOS, Linux, Android, iOS
Default Config Vulnerable: ⚠️ Yes
Notes: All Chrome installations with default settings are vulnerable. Chrome extensions or security settings don't mitigate this vulnerability.

📦 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 same privileges as the Chrome process, potentially leading to full system compromise if Chrome runs with elevated privileges.

🟠

Likely Case

Browser crash (denial of service) or limited code execution within Chrome's sandbox, potentially allowing data theft or further exploitation.

🟢

If Mitigated

No impact if Chrome is fully patched or if exploit attempts are blocked by security controls.

🌐 Internet-Facing: HIGH - Attackers can host malicious HTML pages on websites accessible via the internet.
🏢 Internal Only: MEDIUM - Risk exists if users visit malicious internal web pages, but attack surface is more limited.

🎯 Exploit Status

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

Exploitation requires user interaction (visiting malicious webpage). No public exploit code is available, but the vulnerability is actively being researched.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 97.0.4692.99 and later

Vendor Advisory: https://chromereleases.googleblog.com/2022/01/stable-channel-update-for-desktop_19.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 patched version.

🔧 Temporary Workarounds

Disable automatic web packaging

all

Disable Chrome's web packaging feature which may reduce attack surface

chrome://flags/#enable-web-packages
Set to 'Disabled'

🧯 If You Can't Patch

  • Use alternative browsers that are not affected by this vulnerability
  • Implement network filtering to block known malicious websites and restrict web access

🔍 How to Verify

Check if Vulnerable:

Check Chrome version: If version is less than 97.0.4692.99, the system is vulnerable.

Check Version:

chrome://version/ (in Chrome address bar) or 'google-chrome --version' (command line)

Verify Fix Applied:

Verify Chrome version is 97.0.4692.99 or higher after update.

📡 Detection & Monitoring

Log Indicators:

  • Chrome crash reports with memory corruption signatures
  • Unexpected Chrome process termination

Network Indicators:

  • HTTP requests to suspicious domains hosting HTML pages
  • Unusual outbound connections after visiting web pages

SIEM Query:

source="chrome_logs" AND (event="crash" OR event="memory_corruption") AND version<"97.0.4692.99"

🔗 References

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