CVE-2025-13640

3.5 LOW

📋 TL;DR

This vulnerability in Google Chrome's password implementation allows a local attacker with physical access to bypass authentication mechanisms. It affects users running Chrome versions prior to 143.0.7499.41 on desktop platforms.

💻 Affected Systems

Products:
  • Google Chrome
  • Chromium-based browsers
Versions: All versions prior to 143.0.7499.41
Operating Systems: Windows, macOS, Linux, ChromeOS
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects desktop versions. Mobile versions (Android/iOS) are not affected.

📦 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 →

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 with physical access could gain unauthorized access to saved passwords and authentication-protected resources on the device.

🟠

Likely Case

Limited unauthorized access to Chrome-stored credentials by someone with physical device access and basic technical knowledge.

🟢

If Mitigated

No impact if device is properly secured against physical access and Chrome is kept updated.

🌐 Internet-Facing: LOW - Requires physical access to the device, not remotely exploitable.
🏢 Internal Only: MEDIUM - Physical access to corporate devices could lead to credential compromise.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires physical access to the device and knowledge of the vulnerability. No authentication bypass for remote access.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 143.0.7499.41 and later

Vendor Advisory: https://chromereleases.googleblog.com/2025/12/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 Chrome Password Manager

all

Prevent Chrome from storing passwords to eliminate the attack surface

chrome://settings/passwords > Turn off 'Offer to save passwords'

Enable Device Lock

all

Require authentication to access the device

Windows: Settings > Accounts > Sign-in options > Require Windows Hello sign-in
macOS: System Settings > Lock Screen > Require password immediately

🧯 If You Can't Patch

  • Implement strict physical security controls for all devices
  • Use third-party password managers instead of Chrome's built-in password manager

🔍 How to Verify

Check if Vulnerable:

Check Chrome version in chrome://settings/help or via 'chrome://version/'

Check Version:

google-chrome --version (Linux) or 'chrome://version/' in browser

Verify Fix Applied:

Confirm Chrome version is 143.0.7499.41 or higher

📡 Detection & Monitoring

Log Indicators:

  • Unusual access to Chrome password files
  • Multiple failed authentication attempts followed by successful access

Network Indicators:

  • None - this is a local attack only

SIEM Query:

EventID 4688 with Chrome process accessing credential storage files, or Chrome update logs showing version below 143.0.7499.41

🔗 References

📤 Share & Export