CVE-2024-2627

8.8 HIGH

📋 TL;DR

This is a use-after-free vulnerability in Chrome's Canvas component that allows remote attackers to potentially exploit heap corruption. Attackers can trigger this by tricking users into visiting a malicious HTML page. All Chrome users prior to version 123.0.6312.58 are affected.

💻 Affected Systems

Products:
  • Google Chrome
  • Chromium-based browsers
Versions: All versions prior to 123.0.6312.58
Operating Systems: Windows, Linux, macOS, Android, iOS
Default Config Vulnerable: ⚠️ Yes
Notes: All standard Chrome installations are vulnerable. Chromium-based browsers may also be affected depending on their update cycle.

📦 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 full system compromise, data theft, or ransomware deployment.

🟠

Likely Case

Browser crash (denial of service) or limited memory corruption leading to information disclosure.

🟢

If Mitigated

No impact if Chrome is updated to patched version or if exploit attempts are blocked by security controls.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: MEDIUM

Exploitation requires user interaction (visiting malicious page) but no authentication. No public exploit code is known at this time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 123.0.6312.58 and later

Vendor Advisory: https://chromereleases.googleblog.com/2024/03/stable-channel-update-for-desktop_19.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

all

Prevents exploitation by disabling JavaScript execution, which is required for the Canvas vulnerability to be triggered.

Use Chrome's Site Isolation

all

Enables site isolation to limit impact if exploitation occurs.

🧯 If You Can't Patch

  • Implement web filtering to block malicious sites
  • Use application control to restrict browser usage to updated versions only

🔍 How to Verify

Check if Vulnerable:

Check Chrome version in Settings → About Chrome. If version is below 123.0.6312.58, the system is vulnerable.

Check Version:

google-chrome --version

Verify Fix Applied:

Verify Chrome version is 123.0.6312.58 or higher after update.

📡 Detection & Monitoring

Log Indicators:

  • Chrome crash reports
  • Unexpected browser termination events

Network Indicators:

  • Requests to known malicious domains hosting exploit code

SIEM Query:

source="chrome" AND (event="crash" OR event="termination")

🔗 References

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