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Vulnerability DatabaseCVE-2021-0642

CVE-2021-0642: 
NixOS vulnerability analysis and mitigation

Overview

In onResume of VoicemailSettingsFragment.java, there is a possible way to retrieve a trackable identifier without permissions due to a missing permission check. This vulnerability, identified as CVE-2021-0642, affects Android versions 8.1, 9, 10, and 11. The vulnerability was publicly disclosed on August 17, 2021 (NVD).

Technical details

The vulnerability stems from a missing permission check in the VoicemailSettingsFragment.java file's onResume function. The issue has been assigned a CVSS v3.1 score of 5.5 (MEDIUM) and a CVSS v2.0 score of 4.3 (MEDIUM), indicating a moderate severity level. The vulnerability is tracked internally by Android with the identifier A-185126149 (NVD).

Impact

This vulnerability could lead to local information disclosure, potentially allowing an attacker to retrieve trackable identifiers without proper permissions. The exploitation does not require additional execution privileges but does require user interaction (NVD).

Mitigation and workarounds

The vulnerability was addressed in the Android Security Bulletin of August 2021. Users are advised to update their Android devices to the latest available security patch level (Android Security Bulletin).

Additional resources

Source: This report was generated using AI

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