CVE-2025-0443
📋 TL;DR
This vulnerability in Google Chrome extensions allows attackers to escalate privileges by tricking users into performing specific UI gestures on a malicious webpage. It affects Chrome users on all platforms who haven't updated to the patched version. The attacker needs user interaction but can gain elevated access to browser functionality.
💻 Affected Systems
- Google Chrome
- Chromium-based browsers
📦 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...
Learn more about Chrome →⚠️ Risk & Real-World Impact
Worst Case
An attacker gains full control over browser extensions, potentially accessing sensitive data, modifying web content, or performing actions as the user across websites.
Likely Case
Attackers use social engineering to trick users into performing gestures that grant malicious extensions elevated privileges, leading to data theft or session hijacking.
If Mitigated
With proper controls like updated browsers and user education about suspicious gestures, the attack surface is significantly reduced.
🎯 Exploit Status
Exploitation requires user interaction (specific UI gestures) and a crafted HTML page. No public exploit code is known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 132.0.6834.83 and later
Vendor Advisory: https://chromereleases.googleblog.com/2025/01/stable-channel-update-for-desktop_14.html
Restart Required: No
Instructions:
1. Open Chrome. 2. Click the three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Relaunch Chrome if prompted.
🔧 Temporary Workarounds
Disable Extensions
allTemporarily disable all extensions to eliminate the attack vector while waiting to patch.
chrome://extensions/ → Toggle off all extensions
User Education
allTrain users to avoid performing unexpected UI gestures on unfamiliar websites.
🧯 If You Can't Patch
- Implement network filtering to block known malicious domains hosting crafted HTML pages.
- Use application allowlisting to restrict installation of untrusted extensions.
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: If version is below 132.0.6834.83, the system is vulnerable.Check Version:
chrome://version/Verify Fix Applied:
Confirm Chrome version is 132.0.6834.83 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Unusual extension permission requests in Chrome logs
- Multiple failed gesture attempts from single IP
Network Indicators:
- HTTP requests to domains hosting crafted HTML pages with extension-related parameters
SIEM Query:
source="chrome" AND (event="extension_permission_change" OR event="gesture_event")