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Vulnerability DatabaseCVE-2021-39742
CVE-2021-39742:
NixOS vulnerability analysis and mitigation
Overview
In Android's Voicemail functionality, a vulnerability (CVE-2021-39742) was identified that could allow retrieval of a trackable identifier due to a missing permission check. This vulnerability affects Android 12L and requires user interaction for exploitation (Android Bulletin).
Technical details
The vulnerability is characterized by a missing authorization check (CWE-862) in the Voicemail component. It has been assigned a CVSS v3.1 Base Score of 5.5 (MEDIUM) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, indicating local access, low attack complexity, no privileges required, and user interaction needed for exploitation (NVD).
Impact
A successful exploitation of this vulnerability could lead to local information disclosure, potentially exposing a trackable identifier. The impact is limited to confidentiality with no impact on system integrity or availability (NVD).
Mitigation and workarounds
The vulnerability has been addressed in Android 12L security updates. Users should ensure their devices are updated to the latest available security patch level (Android Bulletin).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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