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Vulnerability DatabaseCVE-2021-39709
CVE-2021-39709:
NixOS vulnerability analysis and mitigation
Overview
In sendSipAccountsRemovedNotification of SipAccountRegistry.java in Android 12, there is a possible permission bypass due to an unsafe PendingIntent. This vulnerability (CVE-2021-39709) was disclosed in March 2022 and affects Android version 12 (Android Security Bulletin).
Technical details
The vulnerability has 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 issue exists in the SipAccountRegistry.java component, specifically in the sendSipAccountsRemovedNotification function, where an unsafe PendingIntent implementation could lead to permission bypass (NVD).
Impact
This vulnerability could lead to local escalation of privilege with User execution privileges needed. The successful exploitation could result in high impacts on confidentiality, integrity, and availability of the affected system (NVD).
Mitigation and workarounds
The vulnerability was addressed in the Android Security Bulletin of March 2022. Users should update their Android devices to include the security patch level of March 1, 2022, or later (Android Security Bulletin).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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