CVE-2021-39750
NixOS vulnerability analysis and mitigation

Overview

CVE-2021-39750 is a vulnerability discovered in Android's PackageManager component affecting Android-12L. The vulnerability stems from a missing permission check that allows unauthorized modification of other apps' splash screen themes. This vulnerability was assigned Android ID A-206474016 (Android Advisory).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability is classified as CWE-862 (Missing Authorization) and requires local access with low privilege level for exploitation. No user interaction is needed for successful exploitation (NVD).

Impact

If exploited, this vulnerability could lead to local escalation of privilege with no additional execution privileges needed. An attacker could potentially modify the splash screen themes of other applications, potentially affecting the visual presentation and user experience of installed applications (Android Advisory).

Mitigation and workarounds

The vulnerability has been addressed in Android-12L security updates. Users are advised to update their devices to the latest available security patch level to protect against this vulnerability (Android Advisory).

Additional resources


SourceThis report was generated using AI

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