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Vulnerability DatabaseCVE-2021-39745
CVE-2021-39745:
NixOS vulnerability analysis and mitigation
Overview
In DevicePolicyManager, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This vulnerability (CVE-2021-39745) affects Android-12L. The vulnerability was discovered and reported through Android's security bulletin (Android Bulletin).
Technical details
The vulnerability is classified with a CVSS v3.1 Base Score of 5.5 (MEDIUM) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. The vulnerability is categorized as CWE-203 (Observable Discrepancy). The issue allows local information disclosure through side channel information in the DevicePolicyManager component (NVD).
Impact
This vulnerability could lead to local information disclosure with no additional execution privileges needed. An attacker could determine whether specific apps are installed on the device without having the necessary query permissions (NVD).
Mitigation and workarounds
The vulnerability was addressed in Android-12L. Users should update their devices to the latest available security patch level that includes fixes for this vulnerability (Android Bulletin).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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