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Vulnerability DatabaseCVE-2021-39773
CVE-2021-39773:
NixOS vulnerability analysis and mitigation
Overview
In VpnManagerService of Android 12L, there exists a vulnerability (CVE-2021-39773) that could allow disclosure of installed VPN packages due to side channel information disclosure. The vulnerability was discovered and reported to Android, with disclosure occurring in March 2022 (NVD, Android Bulletin).
Technical details
The vulnerability has been assigned 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 classified under CWE-203 (Observable Discrepancy) and affects Android 12L operating system (NVD).
Impact
This vulnerability could lead to local information disclosure with no additional execution privileges needed. An attacker could potentially discover which VPN packages are installed on the device, compromising user privacy (NVD).
Mitigation and workarounds
The vulnerability has been addressed in Android security updates. Users should ensure their devices are updated to the latest available security patch level that includes fixes for Android 12L (Android Bulletin).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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