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Vulnerability DatabaseCVE-2021-0536

CVE-2021-0536: 
NixOS vulnerability analysis and mitigation

Overview

In dropFile of WiFiInstaller, there is a vulnerability (CVE-2021-0536) that allows deletion of files accessible to CertInstaller due to a confused deputy. This vulnerability affects Android 11 systems and was disclosed in the Android Security Bulletin in June 2021 (Android Bulletin).

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 weakness is categorized as CWE-610 (Externally Controlled Reference to a Resource in Another Sphere). The vulnerability requires local access with low attack complexity and low privileges, and no user interaction is needed for exploitation (NVD).

Impact

If exploited, this vulnerability could lead to local escalation of privilege with no additional execution privileges needed. The impact affects confidentiality, integrity, and availability, all rated as High according to the CVSS scoring (NVD).

Mitigation and workarounds

The vulnerability was addressed in the Android Security Bulletin for June 2021. Users should ensure their Android devices are updated with the latest security patches (Android Bulletin).

Additional resources

Source: This report was generated using AI

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