CVE-2024-5844
📋 TL;DR
A heap buffer overflow vulnerability in Google Chrome's Tab Strip component allows remote attackers to perform out-of-bounds memory reads via crafted HTML pages. This affects Chrome users on all platforms who haven't updated to the patched version. Attackers could potentially exploit this to leak sensitive memory contents or as part of a larger attack chain.
💻 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
Information disclosure leading to credential theft, session hijacking, or as a stepping stone for arbitrary code execution through memory corruption.
Likely Case
Memory information leakage that could reveal sensitive data like cookies, passwords, or other browser session information.
If Mitigated
No impact if Chrome is updated to the patched version or if vulnerable browsers are isolated from untrusted content.
🎯 Exploit Status
Exploitation requires user interaction (visiting a malicious webpage) but no authentication. The vulnerability allows memory reads which could be combined with other vulnerabilities for more severe attacks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 126.0.6478.54
Vendor Advisory: https://chromereleases.googleblog.com/2024/06/stable-channel-update-for-desktop.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click the 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 exploitation by disabling JavaScript execution, though this breaks most modern websites.
Use Browser Sandboxing
allRun Chrome in a sandboxed environment to limit potential damage from exploitation.
🧯 If You Can't Patch
- Restrict browser access to untrusted websites using web filtering or proxy controls.
- Implement application whitelisting to prevent execution of malicious payloads that might follow initial exploitation.
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings → About Chrome. If version is below 126.0.6478.54, the system is vulnerable.Check Version:
google-chrome --version (Linux) or navigate to chrome://version in browserVerify Fix Applied:
Confirm Chrome version is 126.0.6478.54 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with memory access violations
- Unusual process termination events
Network Indicators:
- Requests to known malicious domains hosting exploit code
- Unusual outbound connections following browser crashes
SIEM Query:
source="chrome" AND (event_type="crash" OR error="access_violation")🔗 References
- https://chromereleases.googleblog.com/2024/06/stable-channel-update-for-desktop.html
- https://issues.chromium.org/issues/331960660
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7VXA32LXMNK3DSK3JBRLTBPFUH7LTODU/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MPU7AB53QQVNTBPGRMJRY5SXJNYWW3FX/
- https://chromereleases.googleblog.com/2024/06/stable-channel-update-for-desktop.html
- https://issues.chromium.org/issues/331960660
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7VXA32LXMNK3DSK3JBRLTBPFUH7LTODU/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MPU7AB53QQVNTBPGRMJRY5SXJNYWW3FX/
