CVE-2025-0291

8.8 HIGH

📋 TL;DR

This is a type confusion vulnerability in Chrome's V8 JavaScript engine that allows remote attackers to execute arbitrary code within the browser's sandbox. It affects all users running vulnerable versions of Google Chrome. Attackers can exploit this by tricking users into visiting a malicious webpage.

💻 Affected Systems

Products:
  • Google Chrome
  • Chromium-based browsers
Versions: All versions prior to 131.0.6778.264
Operating Systems: Windows, macOS, Linux, ChromeOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations are vulnerable. Chromium-based browsers like Microsoft Edge may also be affected if using vulnerable V8 versions.

📦 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

Full sandbox escape leading to arbitrary code execution on the host system, potentially enabling malware installation, data theft, or system compromise.

🟠

Likely Case

Arbitrary code execution within the browser sandbox, allowing session hijacking, credential theft, or further exploitation of browser vulnerabilities.

🟢

If Mitigated

Limited impact due to Chrome's sandboxing, potentially restricted to browser process compromise without host system access.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires user interaction (visiting malicious page). No public exploit code is known at this time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 131.0.6778.264 or later

Vendor Advisory: https://chromereleases.googleblog.com/2025/01/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.

🔧 Temporary Workarounds

Disable JavaScript

all

Temporarily disable JavaScript execution in Chrome to prevent exploitation

Use Site Isolation

all

Ensure site isolation is enabled for additional protection

🧯 If You Can't Patch

  • Use alternative browsers until Chrome can be updated
  • Implement network filtering to block suspicious websites

🔍 How to Verify

Check if Vulnerable:

Check Chrome version in Settings > About Chrome. If version is below 131.0.6778.264, you are vulnerable.

Check Version:

chrome://version/

Verify Fix Applied:

Verify Chrome version is 131.0.6778.264 or higher in Settings > About Chrome.

📡 Detection & Monitoring

Log Indicators:

  • Chrome crash reports with V8-related errors
  • Unusual process spawns from Chrome

Network Indicators:

  • Connections to known malicious domains hosting exploit code
  • Unusual outbound traffic from Chrome processes

SIEM Query:

source="chrome" AND (event_type="crash" OR process_name="chrome.exe") AND message="V8"

🔗 References

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