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Vulnerability DatabaseCVE-2021-0985

CVE-2021-0985: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2021-0985 is a security vulnerability discovered in Android's AlertReceiver.java component affecting Android 12. The vulnerability was disclosed in December 2021 and stems from a missing permission check in the onReceive function, which could allow unauthorized dismissal of system dialogs (Android Bulletin).

Technical details

The vulnerability is classified with 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-862 (Missing Authorization). The vulnerability exists in the onReceive function of AlertReceiver.java, where a missing permission check could allow unauthorized operations (NVD).

Impact

If exploited, this vulnerability could lead to local escalation of privilege without requiring additional execution privileges. The high CVSS score indicates potential severe impacts on confidentiality, integrity, and availability of the system (NVD).

Mitigation and workarounds

The vulnerability was addressed in the Android Security Bulletin for December 2021. Users should ensure their Android devices are updated to the latest available security patch level (Android Bulletin).

Additional resources

Source: This report was generated using AI

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