CVE-2021-39618
NixOS vulnerability analysis and mitigation

Overview

CVE-2021-39618 is a security vulnerability discovered in Android's EuiccNotificationManager.java component affecting Android versions 9, 10, 11, and 12. The vulnerability was disclosed in January 2022 and involves an unsafe PendingIntent that could allow installation of existing packages without user consent (Android Bulletin).

Technical details

The vulnerability exists in multiple methods of EuiccNotificationManager.java and is characterized by an unsafe PendingIntent implementation. The severity of this vulnerability is rated as HIGH with a CVSS v3.1 Base Score of 7.8 and a CVSS v2.0 score of 7.2. The vulnerability requires user execution privileges for exploitation, though user interaction is not needed for the actual exploit (NVD).

Impact

If successfully exploited, this vulnerability could lead to local escalation of privilege. The attacker could potentially install existing packages on the device without user consent, bypassing normal security controls (MITRE).

Mitigation and workarounds

The vulnerability was addressed in the January 2022 Android Security Bulletin. Users should update their Android devices to the latest available security patch level to mitigate this vulnerability (Android Bulletin).

Additional resources


SourceThis report was generated using AI

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