CVE-2022-0460

8.8 HIGH

📋 TL;DR

This is a use-after-free vulnerability in Google Chrome's Window Dialogue component that allows remote attackers to potentially exploit heap corruption. Attackers can trigger this vulnerability by tricking users into visiting a malicious HTML page. All users running vulnerable versions of Google Chrome are affected.

💻 Affected Systems

Products:
  • Google Chrome
Versions: All versions prior to 98.0.4758.80
Operating Systems: Windows, macOS, Linux, Android, iOS
Default Config Vulnerable: ⚠️ Yes
Notes: All Chrome installations with default settings are vulnerable. Chrome extensions do not 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 leading to full system compromise, data theft, or ransomware deployment.

🟠

Likely Case

Browser crash (denial of service) or limited code execution within browser sandbox.

🟢

If Mitigated

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

🌐 Internet-Facing: HIGH - Attackers can exploit via malicious websites without user interaction beyond visiting the page.
🏢 Internal Only: MEDIUM - Requires user to visit malicious internal page or attacker to have internal access.

🎯 Exploit Status

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

Exploitation requires bypassing Chrome's sandbox and other security mitigations. No public exploit code is known at this time.

🛠️ 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 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 update.

🔧 Temporary Workarounds

Disable JavaScript

all

Prevents exploitation by disabling JavaScript execution, but breaks most website functionality.

chrome://settings/content/javascript

Use Chrome Enterprise policies

windows

Configure Chrome via Group Policy or MDM to restrict access to untrusted websites.

Administrative Templates > Google > Google Chrome > Content Settings > JavaScript settings

🧯 If You Can't Patch

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

🔍 How to Verify

Check if Vulnerable:

Check Chrome version: If version is less than 98.0.4758.80, the system is vulnerable.

Check Version:

On Chrome: chrome://version/ or Command Line: google-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 memory corruption signatures
  • Unexpected Chrome process termination

Network Indicators:

  • HTTP requests to suspicious domains with crafted HTML content
  • Unusual outbound connections from Chrome processes

SIEM Query:

source="chrome" AND (event_type="crash" OR memory_corruption="true")

🔗 References

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