CVE-2018-11287
📋 TL;DR
This CVE describes a critical buffer overflow vulnerability in Qualcomm Snapdragon chipsets affecting video processing components. It allows attackers to execute arbitrary code with kernel privileges on affected devices. The vulnerability impacts numerous Snapdragon-powered devices across automotive, mobile, and wearables markets.
💻 Affected Systems
- Snapdragon MDM9206
- MDM9607
- MDM9650
- MSM8909W
- MSM8996AU
- SD 210/SD 212/SD 205
- SD 425
- SD 427
- SD 430
- SD 435
- SD 450
- SD 625
- SD 650/52
- SD 820
- SD 820A
- SD 835
- SD 845
- SD 850
- SDA660
- SDM429
- SDM439
- SDM630
- SDM632
- SDM636
- SDM660
- SDM710
- Snapdragon_High_Med_2016
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing remote code execution with kernel privileges, potentially leading to persistent backdoor installation, data theft, and device control.
Likely Case
Local privilege escalation allowing malicious apps to gain kernel-level access, bypassing Android security sandbox and accessing sensitive system resources.
If Mitigated
With proper security controls and patching, the vulnerability can be completely mitigated with no impact on device security.
🎯 Exploit Status
Exploitation requires local access to the device. The vulnerability is in video processing code, suggesting exploitation through specially crafted video files or video processing requests.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: September 2018 Android Security Patch Level or later
Vendor Advisory: https://source.android.com/security/bulletin/2018-09-01#qualcomm-closed-source-components
Restart Required: Yes
Instructions:
1. Check for Android system updates in device settings. 2. Apply September 2018 or later security patch. 3. Verify patch installation by checking Android security patch level. 4. For enterprise devices, deploy through MDM/EMM solutions.
🔧 Temporary Workarounds
Disable vulnerable video codecs
androidRestrict or disable video processing features that use vulnerable Qualcomm components
Application sandboxing
androidImplement strict application permissions and sandboxing to limit video processing access
🧯 If You Can't Patch
- Isolate affected devices from sensitive networks and data
- Implement strict application whitelisting and disable unnecessary video processing features
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android security patch level. If earlier than September 2018, device is vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify Android security patch level shows September 2018 or later date. Check Qualcomm driver versions if accessible through device diagnostics.📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Video driver crash reports
- Unexpected video processing errors in system logs
Network Indicators:
- Unusual video streaming patterns
- Suspicious video file transfers to devices
SIEM Query:
source="android_logs" AND ("kernel panic" OR "video driver" OR "qualcomm video") AND severity=CRITICAL