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Vulnerability DatabaseCVE-2023-21268

CVE-2023-21268: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-21268 is a path traversal vulnerability discovered in Android's MmsProvider.java component. The vulnerability was disclosed in August 2023 and affects Android versions 11.0 through 13.1. The issue allows potential changes to directory permissions due to a path traversal error in the update functionality of MmsProvider.java (NVD).

Technical details

The vulnerability is classified as a path traversal issue (CWE-22) with a CVSS v3.1 base score of 5.5 (Medium), with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. The vulnerability requires local access and low privileges for exploitation, but no user interaction is needed. The attack complexity is considered low (NVD).

Impact

If exploited, this vulnerability could lead to a local denial of service specifically affecting SIM recognition functionality. The impact is limited to availability with no direct impact on confidentiality or integrity of the system (NVD).

Mitigation and workarounds

Google has addressed this vulnerability through a security patch released in the August 2023 Android Security Bulletin. The fix involves updating the MmsProvider.java implementation to prevent the path traversal issue (Android Patch).

Additional resources

Source: This report was generated using AI

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