CVE-2024-7003
📋 TL;DR
This vulnerability in Google Chrome's FedCM (Federated Credential Management) implementation allows attackers to spoof UI elements through specific user gestures. Users who visit malicious websites and perform certain UI interactions are affected. The attack requires user interaction and has low security severity.
💻 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 could trick users into revealing sensitive information by spoofing legitimate authentication dialogs or consent prompts.
Likely Case
Limited phishing attempts where attackers mimic legitimate FedCM prompts to gather user data or trick users into unwanted actions.
If Mitigated
Minimal impact with updated Chrome versions and user awareness about suspicious UI interactions.
🎯 Exploit Status
Exploitation requires convincing users to perform specific UI gestures on crafted HTML pages. No authentication needed to initiate attack.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 127.0.6533.72 and later
Vendor Advisory: https://chromereleases.googleblog.com/2024/07/stable-channel-update-for-desktop_23.html
Restart Required: Yes
Instructions:
1. Open Chrome and click the three-dot menu
2. Go to Help > About Google Chrome
3. Chrome will automatically check for and apply updates
4. Click 'Relaunch' to restart Chrome with the update
🔧 Temporary Workarounds
Disable FedCM
allTemporarily disable Federated Credential Management feature
chrome://flags/#fedcm
Set 'Federated Credential Management' to Disabled
Use Incognito Mode
allFedCM is disabled in Incognito mode by default
🧯 If You Can't Patch
- Educate users about not performing unexpected UI gestures on unfamiliar websites
- Implement web filtering to block known malicious sites
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings > About Chrome. If version is below 127.0.6533.72, system is vulnerable.Check Version:
On Windows: chrome://version/ | On Linux: google-chrome --version | On macOS: /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --versionVerify Fix Applied:
Confirm Chrome version is 127.0.6533.72 or higher in Settings > About Chrome.📡 Detection & Monitoring
Log Indicators:
- Unusual FedCM API calls from unfamiliar domains
- Multiple failed authentication attempts through FedCM
Network Indicators:
- Requests to unfamiliar domains using FedCM endpoints
- Unusual patterns in credential management API calls
SIEM Query:
source="chrome_audit_logs" AND (event="fedcm_request" AND domain NOT IN ["trusted_domains"])