CVE-2016-10479
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on affected Android devices by sending specially crafted messages to the QMI Proxy service. It affects Android devices with Qualcomm Snapdragon chipsets before the April 2018 security patch. The vulnerability enables complete system compromise through an out-of-bounds write in the stack.
💻 Affected Systems
- Android devices with Qualcomm Snapdragon chipsets
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete device compromise, data theft, persistent backdoor installation, and device takeover.
Likely Case
Remote code execution allowing attackers to install malware, steal sensitive data, or use the device as part of a botnet.
If Mitigated
Limited impact if devices are patched and network segmentation prevents direct access to vulnerable services.
🎯 Exploit Status
Exploitation requires sending specially crafted messages to the QMI Proxy service, but no public exploit code is available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Android security patch level 2018-04-05 or later
Vendor Advisory: https://source.android.com/security/bulletin/2018-04-01
Restart Required: Yes
Instructions:
1. Check current Android security patch level in Settings > About phone > Android security patch level. 2. If before April 2018, update to latest Android version with April 2018 or later security patch. 3. Restart device after update.
🔧 Temporary Workarounds
Network segmentation
allIsolate vulnerable devices from untrusted networks to prevent remote exploitation.
Disable unnecessary services
androidDisable QMI Proxy service if not required for device functionality.
🧯 If You Can't Patch
- Replace affected devices with updated hardware
- Implement strict network access controls to isolate vulnerable devices
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android security patch level. If date is before 2018-04-05, device is vulnerable.
Check Version:
adb shell getprop ro.build.version.security_patch
Verify Fix Applied:
Verify Android security patch level shows 2018-04-05 or later date.
📡 Detection & Monitoring
Log Indicators:
- Unusual QMI Proxy service activity
- Crash logs from QMI-related processes
- Unexpected privilege escalation
Network Indicators:
- Unusual network traffic to QMI Proxy port
- Suspicious messages to device management services
SIEM Query:
source="android_logs" AND (process="qmi" OR process="qmiproxy") AND (event="crash" OR event="buffer_overflow")