CVE-2024-6994
📋 TL;DR
This vulnerability allows remote attackers to trigger heap corruption via a crafted HTML page in Google Chrome's layout engine. Attackers could potentially execute arbitrary code or cause browser crashes. All users running vulnerable Chrome 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 malware installation.
Likely Case
Browser crashes, denial of service, or limited information disclosure.
If Mitigated
No impact if Chrome is updated to patched version or if exploit attempts are blocked by security controls.
🎯 Exploit Status
Heap buffer overflows require precise memory manipulation but are common attack vectors in browsers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 127.0.6533.72
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 updates
4. Click 'Relaunch' to restart Chrome with the update
🔧 Temporary Workarounds
Disable JavaScript
allPrevents execution of malicious JavaScript that could trigger the vulnerability
chrome://settings/content/javascript → Block
Use Site Isolation
allEnables Chrome's Site Isolation feature to limit impact
chrome://flags/#site-isolation-trial-opt-out → Disabled
🧯 If You Can't Patch
- Use alternative browsers until Chrome can be updated
- Implement web filtering to block known malicious sites
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in About Google Chrome page. If version is below 127.0.6533.72, system is 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
- Process termination events
- Memory access violation logs
Network Indicators:
- Requests to unusual domains with crafted HTML
- Multiple rapid Chrome crashes from same source
SIEM Query:
source="chrome" AND (event_type="crash" OR memory_violation="heap")