Local Privilege Escalation in AppLockZ Android App

Compliance Impact

The vulnerability allows a local attacker with physical access to bypass the PIN lock of the AppLockZ application, leading to information disclosure and privilege escalation by evading lockscreen verification and accessing protected apps.

Such unauthorized access and information disclosure could potentially lead to non-compliance with data protection standards and regulations like GDPR and HIPAA, which require safeguarding personal and sensitive information against unauthorized access.

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Executive Summary

The vulnerability in AppLockZ App Lock and Fingerprint Lock version 4.2.11 for Android allows a local attacker with physical access to bypass the PIN lock.

This happens because the lock is implemented as an overlay rather than using Android's secure authentication APIs.

An attacker can navigate through cascading interface flows and insecure navigation via advertisement or browser intents to evade lockscreen verification and access protected apps such as Chrome.

This leads to information disclosure and privilege escalation.

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Impact Analysis

This vulnerability can allow an attacker with physical access to your device to bypass the app lock PIN.

As a result, the attacker can access protected applications and potentially sensitive information within those apps.

This leads to information disclosure and privilege escalation, compromising the security and privacy of your data.

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