CVE-2014-7911 — AI Deep Analysis Summary

🚨 **Essence**: A critical flaw in Android's `java.io.ObjectInputStream` allows **Local Privilege Escalation**.…

🛡️ **Root Cause**: The implementation fails to verify if the object being deserialized is actually serializable.…

📱 **Affected**: Android OS versions **prior to 5.0.0**. 🧩 **Component**: Core Java I/O library (`ObjectInputStream`). Note: While Chrome is mentioned in the title context, the core flaw is in the Android OS layer.

🔓 **Privileges**: Escalates from **Local User** to **Root/System**. 💾 **Data**: Complete access to device data, ability to install persistent malware, and bypass sandbox restrictions.

⚠️ **Threshold**: **Low/Medium**. It is a **Local** exploit. The attacker needs initial access to the device (e.g., via a malicious app or web view). No remote network vector is specified.

🔥 **Public Exp**: **YES**. Multiple PoCs exist on GitHub (e.g., `retme7`, `ele7enxxh`). 📦 **Details**: Specific exploits for Nexus 5 (Android 4.4.4) using Heap Spraying and ROP chains.…

🔍 **Self-Check**: Check Android OS version. If **< 5.0.0**, you are vulnerable. 📋 **Scan**: Look for unpatched `libcore` implementations. No specific CVE scanner signature is provided, but version checking is key.

✅ **Fixed**: **YES**. The vulnerability was patched in **Android 5.0.0**. 🛠️ **Patch**: Google released updates to the `ObjectInputStream` logic to enforce serialization checks. Check your system update status.

🚧 **Workaround**: If you cannot update (e.g., legacy device), **restrict app permissions**. 🚫 **Mitigation**: Do not install apps from unknown sources. Use a sandboxed environment.…

🔴 **Urgency**: **HIGH** for older devices. ⏳ **Priority**: Immediate patching required for Android < 5.0.0. Since this is a local root exploit, any compromised app can take over the device. Update NOW!