CVE-2024-7020
📋 TL;DR
This vulnerability allows attackers to create malicious web pages that can spoof Chrome's autofill interface, potentially tricking users into revealing sensitive information. It affects all Chrome users on versions before 124.0.6367.60. The attack requires user interaction with a crafted webpage.
💻 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
Users could be tricked into entering credentials or sensitive information into fake autofill prompts, leading to credential theft or data leakage.
Likely Case
Limited phishing attempts where users might enter non-critical information into spoofed UI elements, with most security-conscious users recognizing the deception.
If Mitigated
Minimal impact as modern browsers have multiple security layers and users are trained to verify URL authenticity before entering sensitive data.
🎯 Exploit Status
Exploitation requires creating a malicious HTML page and convincing users to visit it. No authentication or special privileges needed on the victim side.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 124.0.6367.60 and later
Vendor Advisory: https://issues.chromium.org/issues/40076065
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 Autofill
allTemporarily disable Chrome's autofill feature to prevent UI spoofing attacks
chrome://settings/autofill
Use Incognito Mode
allIncognito mode typically has autofill disabled by default, reducing attack surface
Ctrl+Shift+N (Windows/Linux) or Cmd+Shift+N (macOS)
🧯 If You Can't Patch
- Implement web filtering to block known malicious sites and suspicious HTML pages
- Educate users to verify URL authenticity and never enter credentials on unfamiliar sites
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: If version is less than 124.0.6367.60, the system is vulnerable.Check Version:
chrome://version/ or 'google-chrome --version' (Linux) or check in Chrome settingsVerify Fix Applied:
Confirm Chrome version is 124.0.6367.60 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Unusual autofill events from unfamiliar domains
- Multiple failed autofill attempts from same IP
Network Indicators:
- Traffic to domains hosting suspicious HTML pages with autofill-like forms
SIEM Query:
source="chrome_logs" AND (event="autofill_triggered" OR event="form_submission") AND url_domain NOT IN allowed_domains