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Vulnerability DatabaseCVE-2023-20921

CVE-2023-20921: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20921 is a security vulnerability discovered in Android's AccessibilityManagerService.java component. The vulnerability exists in the onPackageRemoved functionality, where a logic error in the code could potentially allow automatic granting of accessibility services. This vulnerability affects multiple Android versions including Android-10, Android-11, Android-12, Android-12L, and Android-13 (CVE Details).

Technical details

The vulnerability stems from a logic error in the onPackageRemoved function of AccessibilityManagerService.java. This implementation flaw could potentially lead to unauthorized granting of accessibility services. The vulnerability has been assigned Android ID: A-243378132 (CVE Details).

Impact

If successfully exploited, this vulnerability could lead to local escalation of privilege. The impact is somewhat mitigated as no additional execution privileges are needed, but user interaction is required for successful exploitation (CVE Details).

Mitigation and workarounds

The vulnerability was addressed in the January 2023 Android Security Bulletin. Users should ensure their Android devices are updated with the latest security patches to mitigate this vulnerability (Android Bulletin).

Additional resources

Source: This report was generated using AI

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