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Vulnerability DatabaseCVE-2021-39703
CVE-2021-39703:
NixOS vulnerability analysis and mitigation
Overview
In updateState of UsbDeviceManager.java, there is a possible unauthorized access of files due to a confused deputy vulnerability in Android 12. This vulnerability (CVE-2021-39703) could lead to local escalation of privilege with no additional execution privileges needed and requires no user interaction for exploitation (NVD, CVE).
Technical details
The vulnerability has been assigned 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 vulnerability is classified as CWE-610 (Externally Controlled Reference to a Resource in Another Sphere) (NVD).
Impact
The vulnerability allows local attackers to gain unauthorized access to files, potentially leading to a complete compromise of confidentiality, integrity, and availability of the affected system. The high CVSS score indicates severe potential consequences if exploited (NVD).
Mitigation and workarounds
The vulnerability was addressed in the March 2022 Android security patch. Users should update their Android 12 devices to the latest security patch level to mitigate this vulnerability (Android Bulletin).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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