CVE-2023-35662

9.8 CRITICAL

📋 TL;DR

CVE-2023-35662 is a critical buffer overflow vulnerability in Android Pixel devices that allows remote attackers to execute arbitrary code without user interaction. This vulnerability affects Pixel devices running vulnerable Android versions and can be exploited without authentication.

💻 Affected Systems

Products:
  • Google Pixel devices
Versions: Android versions prior to October 2023 security patch
Operating Systems: Android
Default Config Vulnerable: ⚠️ Yes
Notes: Specifically affects Pixel devices; other Android devices may be affected but Pixel is confirmed.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete device compromise, data theft, and persistent backdoor installation.

🟠

Likely Case

Remote code execution allowing attackers to install malware, steal sensitive data, or join devices to botnets.

🟢

If Mitigated

No impact if patched; limited impact if network segmentation prevents external access to vulnerable devices.

🌐 Internet-Facing: HIGH - Can be exploited remotely without authentication or user interaction.
🏢 Internal Only: HIGH - Even internally, vulnerable devices can be exploited by attackers who gain network access.

🎯 Exploit Status

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

No authentication required and no user interaction needed makes exploitation straightforward.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: October 2023 Android security patch or later

Vendor Advisory: https://source.android.com/security/bulletin/pixel/2023-10-01

Restart Required: Yes

Instructions:

1. Go to Settings > System > System update on Pixel device. 2. Check for and install October 2023 security patch. 3. Restart device after installation.

🔧 Temporary Workarounds

Network segmentation

all

Isolate vulnerable Pixel devices from untrusted networks

Disable unnecessary services

android

Disable Bluetooth and other wireless services when not needed

🧯 If You Can't Patch

  • Isolate vulnerable devices on separate VLAN with strict firewall rules
  • Implement network monitoring for suspicious traffic to/from Pixel devices

🔍 How to Verify

Check if Vulnerable:

Check Android version and security patch level in Settings > About phone > Android version

Check Version:

adb shell getprop ro.build.version.security_patch

Verify Fix Applied:

Verify security patch level shows October 2023 or later in Settings > About phone

📡 Detection & Monitoring

Log Indicators:

  • Unusual process creation, unexpected system modifications, crash logs from affected components

Network Indicators:

  • Suspicious network connections from Pixel devices, unexpected outbound traffic

SIEM Query:

source="android_logs" AND (event_type="process_creation" AND parent_process="system_server") OR (event_type="crash" AND component="affected_system_component")

🔗 References

📤 Share & Export