CVE-2024-7550
📋 TL;DR
This vulnerability is a type confusion flaw in Chrome's V8 JavaScript engine that could allow an attacker to trigger heap corruption by tricking the browser into misinterpreting data types. Attackers could exploit this by luring users to malicious websites. All users running vulnerable versions of Google Chrome 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 sandbox escape leading to data exfiltration from browser sessions.
If Mitigated
Browser crash with no data loss if sandbox holds, or exploit blocked by security controls.
🎯 Exploit Status
Exploitation requires bypassing Chrome's sandbox and other mitigations, but type confusion vulnerabilities are frequently exploited.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 127.0.6533.99 and later
Vendor Advisory: https://chromereleases.googleblog.com/2024/08/stable-channel-update-for-desktop.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.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by blocking JavaScript execution, but breaks most websites.
Use Site Isolation
allEnable Chrome's Site Isolation feature to limit impact if exploited.
🧯 If You Can't Patch
- Restrict web browsing to trusted sites only using network policies.
- Deploy application allowlisting to prevent unauthorized browser execution.
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: if below 127.0.6533.99, system is vulnerable.Check Version:
chrome://version/ (Windows/Linux/macOS)Verify Fix Applied:
Confirm Chrome version is 127.0.6533.99 or higher.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process termination events
- Sandbox escape attempts in security logs
Network Indicators:
- Connections to suspicious domains followed by browser crashes
- Unusual outbound traffic from Chrome processes
SIEM Query:
source="chrome_crash_reports" AND version<"127.0.6533.99"