CVE-2016-10473
📋 TL;DR
A buffer overflow vulnerability in Qualcomm Snapdragon chipsets used in Android devices allows attackers to execute arbitrary code or cause denial of service. This affects Android devices with Qualcomm chipsets before the April 2018 security patch. The vulnerability is in supplementary services functionality and has a critical CVSS score of 9.8.
💻 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, or persistent backdoor installation.
Likely Case
Device crash/reboot (denial of service) or limited code execution depending on exploit implementation.
If Mitigated
No impact if patched; limited impact if network segmentation prevents attacker access.
🎯 Exploit Status
Buffer overflow in supplementary services suggests potential for remote exploitation, but specific exploit details are not publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Android security patch level April 5, 2018 or later
Vendor Advisory: https://source.android.com/security/bulletin/2018-04-01
Restart Required: Yes
Instructions:
1. Check device security patch level in Settings > About phone > Android security patch level. 2. If before April 2018, install latest available system update. 3. For enterprise devices, push updates via MDM. 4. For custom ROMs, check with ROM maintainer for patches.
🔧 Temporary Workarounds
Network segmentation
allRestrict device network access to trusted networks only
App restriction
androidDisable installation of apps from unknown sources
🧯 If You Can't Patch
- Isolate affected devices on separate network segments
- Implement strict application whitelisting and monitoring
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android security patch level. If date is before April 2018, device is vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify security patch level shows April 2018 or later after update installation.📡 Detection & Monitoring
Log Indicators:
- Unexpected device reboots
- Supplementary services process crashes
- Memory corruption errors in system logs
Network Indicators:
- Unusual network traffic to/from mobile devices
- Suspicious supplementary services protocol activity
SIEM Query:
source="android_device" AND (event_type="crash" OR event_type="reboot") AND process_name="supplementary_services"