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Vulnerability DatabaseCVE-2023-21136

CVE-2023-21136: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-21136 is a vulnerability discovered in Android's JobStore.java functionality that affects multiple Android versions (11.0, 12.0, 12L, and 13.0). The vulnerability was disclosed in the June 2023 Android Security Bulletin and involves improper input validation that could lead to system crashes (Android Bulletin).

Technical details

The vulnerability exists in multiple functions of JobStore.java and stems from improper input validation. It has been assigned a CVSS v3.1 Base Score of 5.5 (MEDIUM) with the following vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (NVD). The vulnerability has been classified under CWE-20 (Improper Input Validation) and CWE-120 (Buffer Copy without Checking Size of Input).

Impact

If exploited, this vulnerability can lead to a local denial of service condition. The impact is limited to system availability, with no confidentiality or integrity impacts reported. The vulnerability can cause the system to crash on startup, potentially affecting system operations (NVD).

Mitigation and workarounds

The vulnerability has been addressed in the Android Security Bulletin for June 2023. Users should update their Android devices to the latest available security patch level to mitigate this vulnerability (Android Bulletin).

Additional resources

Source: This report was generated using AI

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