CVE-2024-4947
📋 TL;DR
This vulnerability is a type confusion flaw in Chrome's V8 JavaScript engine that allows remote attackers to execute arbitrary code within the browser's sandbox by tricking users into visiting a malicious webpage. All users running vulnerable versions of Google Chrome are affected. The high CVSS score reflects the potential for remote code execution with minimal user interaction.
💻 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...
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⚠️ Risk & Real-World Impact
Worst Case
Remote attacker gains full control of the victim's system by escaping the browser sandbox and executing arbitrary code with user privileges.
Likely Case
Remote attacker executes arbitrary code within the browser sandbox, potentially stealing sensitive data, installing malware, or performing other malicious actions limited to browser context.
If Mitigated
With proper sandboxing intact, malicious code execution is contained within browser process, limiting damage to browser data and sessions.
🎯 Exploit Status
Exploitation requires user to visit malicious webpage. No public exploit code has been released as of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 125.0.6422.60 and later
Vendor Advisory: https://chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_15.html
Restart Required: Yes
Instructions:
1. Open Chrome menu > Help > About Google Chrome. 2. Chrome will automatically check for updates and install version 125.0.6422.60+. 3. Click 'Relaunch' to restart Chrome with the fix applied.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by disabling JavaScript execution in Chrome
Use Site Isolation
allEnable site isolation to limit impact if exploited
🧯 If You Can't Patch
- Restrict access to untrusted websites using web filtering or proxy controls
- Implement application whitelisting to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in menu > Help > About Google Chrome. If version is below 125.0.6422.60, system is vulnerable.Check Version:
google-chrome --version (Linux) or navigate to chrome://version/Verify Fix Applied:
Confirm Chrome version is 125.0.6422.60 or higher in About Google Chrome page.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with V8-related errors
- Unusual process spawning from Chrome
Network Indicators:
- Connections to known malicious domains hosting exploit code
SIEM Query:
source="chrome" AND (event_type="crash" OR process_name="chrome.exe") AND message="V8"🔗 References
- https://chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_15.html
- https://issues.chromium.org/issues/340221135
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NTSN22LNYXMWHVTYNOYQVOY7VDZFHENQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WSUWM73ZCXTN62AT2REYQDD5ZKPFMDZD/
- https://chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_15.html
- https://issues.chromium.org/issues/340221135
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NTSN22LNYXMWHVTYNOYQVOY7VDZFHENQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WSUWM73ZCXTN62AT2REYQDD5ZKPFMDZD/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4947
