CVE-2024-1077
📋 TL;DR
This is a use-after-free vulnerability in Google Chrome's Network component that allows remote attackers to potentially exploit heap corruption via malicious files. Attackers could execute arbitrary code or cause denial of service. All users running vulnerable versions of 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...
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⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Browser crash (denial of service) or limited code execution within browser sandbox.
If Mitigated
No impact if Chrome is updated to patched version or if exploit attempts are blocked by security controls.
🎯 Exploit Status
Use-after-free vulnerabilities in Chrome's network stack typically require user interaction (opening malicious file) but can be chained with other vulnerabilities for sandbox escape.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 121.0.6167.139 and later
Vendor Advisory: https://chromereleases.googleblog.com/2024/01/stable-channel-update-for-desktop_30.html
Restart Required: Yes
Instructions:
1. Open Chrome 2. Click menu (three dots) → Help → About Google Chrome 3. Chrome will automatically check for and install updates 4. Click Relaunch to restart Chrome
🔧 Temporary Workarounds
Disable automatic file downloads
allConfigure Chrome to ask before downloading files to prevent automatic execution of malicious content
chrome://settings/content/automaticDownloads → Toggle off 'Download multiple files automatically'
🧯 If You Can't Patch
- Deploy application control to block execution of Chrome below version 121.0.6167.139
- Implement network filtering to block known malicious file types and suspicious download sources
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: If version is below 121.0.6167.139, system is vulnerableCheck Version:
chrome://version/ (on Chrome) or google-chrome --version (command line)Verify Fix Applied:
Confirm Chrome version is 121.0.6167.139 or higher after update📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with network component errors
- Unexpected Chrome process termination events
Network Indicators:
- Unusual file downloads to Chrome users
- Multiple Chrome instances crashing from same source
SIEM Query:
source="chrome_crash_reports" AND component="network" AND version<"121.0.6167.139"🔗 References
- https://chromereleases.googleblog.com/2024/01/stable-channel-update-for-desktop_30.html
- https://crbug.com/1511085
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NEUXJY3YC3VGIJW2AOHL4NZ7ZK7BRYWY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCVKRHRWPMITSVFBHQBSNXOVJAKT547Q/
- https://chromereleases.googleblog.com/2024/01/stable-channel-update-for-desktop_30.html
- https://crbug.com/1511085
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NEUXJY3YC3VGIJW2AOHL4NZ7ZK7BRYWY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCVKRHRWPMITSVFBHQBSNXOVJAKT547Q/
