CVE-2014-9957
📋 TL;DR
This CVE describes an elevation of privilege vulnerability in Qualcomm closed-source components affecting Android devices. It allows attackers to gain root privileges on vulnerable Android systems. All Android devices using affected Qualcomm components are potentially vulnerable.
💻 Affected Systems
- Android devices with Qualcomm chipsets
📦 What is this software?
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise with root access, allowing installation of persistent malware, data theft, and full system control.
Likely Case
Local privilege escalation allowing malware to gain elevated permissions and bypass security controls.
If Mitigated
Limited impact if devices are patched, have SELinux properly configured, and run with minimal privileges.
🎯 Exploit Status
Requires local access to device. Exploitation details are in closed-source Qualcomm components.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: June 2017 Android Security Bulletin or later
Vendor Advisory: https://source.android.com/security/bulletin/2017-06-01
Restart Required: Yes
Instructions:
1. Check for Android system updates in Settings > System > System update. 2. Install June 2017 or later security patch. 3. Reboot device after installation.
🔧 Temporary Workarounds
Disable unnecessary permissions
androidReduce attack surface by limiting app permissions
adb shell pm revoke <package_name> <permission>
🧯 If You Can't Patch
- Restrict physical access to devices
- Implement mobile device management with strict app installation policies
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android security patch level. If before June 2017, device is vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify security patch level shows June 2017 or later date.📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege escalation attempts in system logs
- SELinux denials for unauthorized root access
Network Indicators:
- Unusual network traffic from device with elevated privileges
SIEM Query:
source="android_system" AND (event="privilege_escalation" OR event="selinux_denial")