CVE-2024-5832 – This is a use-after-free vulnerability in Dawn ... (How to Fix)

Q: What is the severity of CVE-2024-5832?

CVE-2024-5832 has a CVSS score of 8.8 (HIGH). This is a use-after-free vulnerability in Dawn (WebGPU implementation) in Google Chrome that allows remote attackers to potentially exploit heap corruption via a crafted HTML page. Attackers could execute arbitrary code or cause denial of service. All users running vulnerable Chrome versions are affected.

📋 TL;DR

This is a use-after-free vulnerability in Dawn (WebGPU implementation) in Google Chrome that allows remote attackers to potentially exploit heap corruption via a crafted HTML page. Attackers could execute arbitrary code or cause denial of service. All users running vulnerable Chrome versions are affected.

💻 Affected Systems

Products:

Google Chrome
Chromium-based browsers

Versions: Prior to 126.0.6478.54

Operating Systems: Windows, macOS, Linux, Android, iOS

Default Config Vulnerable: ⚠️ Yes

Notes: All default Chrome configurations are vulnerable. WebGPU must be enabled (default in recent versions).

📦 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 code execution in sandboxed context.

🟢

If Mitigated

Browser crash with no data loss if sandbox holds, or blocked exploit attempt.

🌐 Internet-Facing: HIGH - Exploitable via visiting malicious websites, no authentication required.

🏢 Internal Only: MEDIUM - Requires user interaction with malicious content, but internal threats exist.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: MEDIUM

Exploitation requires user to visit malicious webpage. Chrome's sandbox may limit impact.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 126.0.6478.54 and later

Vendor Advisory: https://chromereleases.googleblog.com/2024/06/stable-channel-update-for-desktop.html

Restart Required: Yes

Instructions:

1. Open Chrome. 2. Click three dots menu → Help → About Google Chrome. 3. Chrome will automatically check for and install update. 4. Click 'Relaunch' to restart Chrome.

🔧 Temporary Workarounds

Disable WebGPU

all

Temporarily disable WebGPU feature which contains the vulnerable Dawn component

chrome://flags/#enable-webgpu → Disabled

Use Chrome Enterprise policies

all

Disable WebGPU via enterprise policy for managed environments

Set 'WebGPUEnabled' policy to false

🧯 If You Can't Patch

Use browser extensions that block JavaScript execution on untrusted sites
Implement network filtering to block known malicious domains and suspicious HTML content

🔍 How to Verify

Check if Vulnerable:

Check Chrome version: chrome://version → if version is below 126.0.6478.54, system is vulnerable.

Check Version:

On Windows: "chrome://version" in address bar. On Linux: google-chrome --version. On macOS: /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --version

Verify Fix Applied:

Confirm Chrome version is 126.0.6478.54 or higher via chrome://version

📡 Detection & Monitoring

Log Indicators:

Chrome crash reports with WebGPU/Dawn references
Unexpected Chrome process termination

Network Indicators:

Requests to domains serving complex WebGPU content
Unusual WebSocket connections during WebGPU usage

SIEM Query:

source="chrome_crash_reports" AND (message="*Dawn*" OR message="*WebGPU*")

📊 Metadata

CVE ID: CVE-2024-5832

CVSS v3 Score: 8.8 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE: CWE-416

Published: June 11, 2024

Last Updated: November 21, 2024

🔗 References

https://chromereleases.googleblog.com/2024/06/stable-channel-update-for-desktop.html Third Party Advisory
https://issues.chromium.org/issues/340196361 Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7VXA32LXMNK3DSK3JBRLTBPFUH7LTODU/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MPU7AB53QQVNTBPGRMJRY5SXJNYWW3FX/ Third Party Advisory
https://chromereleases.googleblog.com/2024/06/stable-channel-update-for-desktop.html Third Party Advisory
https://issues.chromium.org/issues/340196361 Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7VXA32LXMNK3DSK3JBRLTBPFUH7LTODU/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MPU7AB53QQVNTBPGRMJRY5SXJNYWW3FX/ Third Party Advisory

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