CVE-2022-1478

8.8 HIGH

📋 TL;DR

This is a use-after-free vulnerability in SwiftShader, Chrome's software renderer, that allows remote attackers to potentially exploit heap corruption via a crafted HTML page. Attackers could execute arbitrary code or cause denial of service. All Chrome users prior to version 101.0.4951.41 are affected.

💻 Affected Systems

Products:
  • Google Chrome
  • Chromium-based browsers
Versions: All versions prior to 101.0.4951.41
Operating Systems: Windows, Linux, macOS, Android, ChromeOS
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in SwiftShader component used when hardware acceleration is unavailable or disabled.

📦 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 sandbox constraints.

🟢

If Mitigated

Browser crash with no further impact if sandbox holds, or successful exploitation but limited by system security controls.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires bypassing Chrome's sandbox and other security mitigations.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 101.0.4951.41 and later

Vendor Advisory: https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_26.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' to restart Chrome.

🔧 Temporary Workarounds

Disable SwiftShader

all

Force Chrome to use hardware acceleration only, bypassing vulnerable component.

chrome://flags/#disable-accelerated-2d-canvas
Set to 'Disabled'

Enable Site Isolation

all

Enhances sandboxing to limit impact if exploited.

chrome://flags/#enable-site-per-process
Set to 'Enabled'

🧯 If You Can't Patch

  • Restrict access to untrusted websites using web filtering or proxy rules.
  • Deploy application allowlisting to prevent execution of malicious payloads.

🔍 How to Verify

Check if Vulnerable:

Check Chrome version in About Google Chrome page.

Check Version:

google-chrome --version

Verify Fix Applied:

Confirm Chrome version is 101.0.4951.41 or higher.

📡 Detection & Monitoring

Log Indicators:

  • Chrome crash reports
  • Unexpected process termination logs
  • Sandbox escape attempts in system logs

Network Indicators:

  • Unusual outbound connections from Chrome processes
  • Traffic to known exploit hosting domains

SIEM Query:

process_name:"chrome.exe" AND (event_id:1000 OR event_id:1001) OR process_name:"chrome" AND signal:SIGSEGV

🔗 References

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