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Vulnerability DatabaseCVE-2021-39748
CVE-2021-39748:
NixOS vulnerability analysis and mitigation
Overview
In InputMethodEditor on Android 12L, there is a possible way to access some files accessible to Settings due to an unsafe PendingIntent. This vulnerability is tracked as CVE-2021-39748 and was disclosed in the Android Security Bulletin (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 issue is related to incorrect default permissions (CWE-276) in the InputMethodEditor component, where an unsafe PendingIntent implementation could allow unauthorized access to files that should only be accessible to the Settings app (NVD).
Impact
A successful exploitation of this vulnerability could lead to local information disclosure without requiring additional execution privileges or user interaction. The attacker could potentially access sensitive files that are meant to be restricted to the Settings application (NVD).
Mitigation and workarounds
The vulnerability has been patched in Android 12L. Users should update their devices to the latest available version that includes these security fixes (Android Bulletin).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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