CVE-2024-7256
📋 TL;DR
This vulnerability in Google Chrome's Dawn component on Android allows remote attackers to execute arbitrary code by tricking users into visiting a malicious HTML page. It affects Android users running Chrome versions before 127.0.6533.88. The attacker needs no authentication and can gain full control of the device.
💻 Affected Systems
- Google Chrome for Android
📦 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...
Learn more about Chrome →⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing data theft, credential harvesting, installation of persistent malware, and lateral movement within networks.
Likely Case
Attackers create fake websites or inject malicious code into legitimate sites to exploit visitors, leading to data theft and device control.
If Mitigated
With updated Chrome and proper security controls, the risk is eliminated as the vulnerability is patched.
🎯 Exploit Status
Exploitation requires user interaction (visiting a malicious page) but no authentication. The CWE-345 (Insufficient Data Validation) suggests straightforward exploitation once the flaw is understood.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 127.0.6533.88 and later
Vendor Advisory: https://chromereleases.googleblog.com/2024/07/stable-channel-update-for-desktop_30.html
Restart Required: Yes
Instructions:
1. Open Google Play Store on Android. 2. Search for 'Chrome'. 3. Tap 'Update' if available. 4. Restart Chrome after update. Alternatively, enable auto-updates in Play Store settings.
🔧 Temporary Workarounds
Disable JavaScript
androidPrevents execution of malicious scripts but breaks most web functionality.
Use Alternative Browser
androidTemporarily switch to a non-vulnerable browser like Firefox or Brave.
🧯 If You Can't Patch
- Restrict browsing to trusted websites only using network filtering or DNS controls.
- Deploy mobile device management (MDM) to enforce security policies and monitor for suspicious activity.
🔍 How to Verify
Check if Vulnerable:
Open Chrome on Android, go to Settings > About Chrome, and check if version is below 127.0.6533.88.Check Version:
Not applicable for Android GUI; use Settings > About Chrome.Verify Fix Applied:
Confirm Chrome version is 127.0.6533.88 or higher in Settings > About Chrome.📡 Detection & Monitoring
Log Indicators:
- Unusual Chrome crashes or unexpected process terminations on Android devices.
- Log entries showing access to suspicious or unknown domains from Chrome.
Network Indicators:
- HTTP requests to known malicious domains hosting exploit code.
- Unusual outbound connections from Android devices to attacker-controlled servers.
SIEM Query:
source="android_logs" AND (process="com.android.chrome" AND event="crash") OR (url="*malicious-domain*" AND user_agent="*Chrome/*")