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Vulnerability DatabaseCVE-2021-39755
CVE-2021-39755:
NixOS vulnerability analysis and mitigation
Overview
In DevicePolicyManager, there is a possible way to reveal the existence of an installed package without proper query permissions due to side channel information disclosure. This vulnerability (CVE-2021-39755) affects Android 12L. The vulnerability could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (Medium) with the following vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. The vulnerability is classified under CWE-203 (Observable Discrepancy) and affects Android version 12L (NVD).
Impact
A successful exploitation of this vulnerability could lead to local information disclosure, allowing an attacker to determine whether specific packages are installed on the device without having the proper query permissions (NVD).
Mitigation and workarounds
The vulnerability has been addressed in Android security updates. Users should ensure their devices are updated with the latest security patches (Android Security Bulletin).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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