CVE-2024-7000
📋 TL;DR
This CVE describes a use-after-free vulnerability in Chrome's CSS engine that could allow heap corruption. Attackers can exploit it by tricking users into performing specific UI gestures on a malicious webpage. All Chrome users on vulnerable versions are affected.
💻 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
Remote code execution leading to full system compromise, data theft, or ransomware deployment.
Likely Case
Browser crash (denial of service) or limited information disclosure from memory corruption.
If Mitigated
Browser sandbox may contain the exploit to browser process only, preventing full system compromise.
🎯 Exploit Status
Requires user interaction (specific UI gestures) but no authentication. Heap corruption exploitation requires additional steps.
🛠️ 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. 2. Click three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install update. 4. Click 'Relaunch' to restart Chrome with the fix.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents malicious scripts from triggering the vulnerability
chrome://settings/content/javascript → Block
Use Site Isolation
allEnables Chrome's Site Isolation feature for additional protection
chrome://flags/#site-isolation-trial-opt-out → Disabled
🧯 If You Can't Patch
- Use alternative browser until Chrome can be updated
- Implement network filtering to block known malicious sites
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in About Google Chrome page. If version is less than 127.0.6533.72, you are vulnerable.Check Version:
On Windows: "chrome://version/" in address bar. On Linux/macOS: google-chrome --versionVerify Fix Applied:
Confirm Chrome version is 127.0.6533.72 or higher in About Google Chrome page.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with memory corruption signatures
- Unexpected browser process termination
Network Indicators:
- Connections to suspicious domains followed by browser crashes
- Unusual outbound traffic after visiting webpages
SIEM Query:
source="chrome_crash_reports" AND (event_type="crash" OR memory_corruption="true")