CVE-2022-1309

9.6 CRITICAL

📋 TL;DR

This vulnerability in Google Chrome's developer tools allows attackers to escape the browser's security sandbox via a malicious HTML page. It affects Chrome users on all platforms who haven't updated to version 100.0.4896.88 or later. Successful exploitation could lead to arbitrary code execution on the victim's system.

💻 Affected Systems

Products:
  • Google Chrome
  • Chromium-based browsers
Versions: All versions prior to 100.0.4896.88
Operating Systems: Windows, macOS, Linux, Chrome OS
Default Config Vulnerable: ⚠️ Yes
Notes: All standard Chrome installations are vulnerable. Developer tools must be accessible (default enabled).

📦 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

Complete system compromise allowing attacker to execute arbitrary code with user privileges, install malware, steal data, and pivot to other systems.

🟠

Likely Case

Local privilege escalation leading to data theft, browser session hijacking, and installation of persistent malware.

🟢

If Mitigated

No impact if Chrome is updated to patched version or sandbox escape protections are in place at OS level.

🌐 Internet-Facing: HIGH - Attack can be triggered by visiting any malicious website, making internet-facing systems particularly vulnerable.
🏢 Internal Only: MEDIUM - Internal users could be targeted via phishing emails or compromised internal websites.

🎯 Exploit Status

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

Exploitation requires user interaction (visiting malicious page) but no authentication. No public exploit code available at disclosure.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 100.0.4896.88

Vendor Advisory: https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_11.html

Restart Required: Yes

Instructions:

1. Open Chrome menu > Help > About Google Chrome. 2. Chrome will automatically check for updates and install if available. 3. Click 'Relaunch' to restart Chrome with the update applied.

🔧 Temporary Workarounds

Disable Developer Tools

all

Prevent exploitation by disabling access to developer tools, though this impacts legitimate debugging.

Not applicable via command line - use Chrome policies or registry settings

Use Chrome Enterprise Policies

windows

Configure Chrome via group policy to restrict developer tools access.

Set 'DeveloperToolsAvailability' policy to 2 (Disallowed)

🧯 If You Can't Patch

  • Use alternative browser until patch can be applied
  • Implement network filtering to block known malicious sites and restrict web browsing

🔍 How to Verify

Check if Vulnerable:

Check Chrome version: If version is less than 100.0.4896.88, system is vulnerable.

Check Version:

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

Verify Fix Applied:

Confirm Chrome version is 100.0.4896.88 or higher after update.

📡 Detection & Monitoring

Log Indicators:

  • Chrome crash reports with developer tools context
  • Unusual process spawning from Chrome

Network Indicators:

  • Connections to suspicious domains followed by unusual outbound traffic

SIEM Query:

process_name:"chrome.exe" AND (event_id:1000 OR event_id:1001) AND command_line:"*--remote-debugging-port*"

🔗 References

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