Vulnerability DatabaseCVE-2024-43093

CVE-2024-43093:
NixOS vulnerability analysis and mitigation

Overview

CVE-2024-43093 is a privilege escalation vulnerability discovered in the Android Framework component, specifically in the shouldHideDocument function of ExternalStorageProvider.java. The vulnerability stems from incorrect unicode normalization that could allow bypassing a file path filter designed to prevent access to sensitive directories. This vulnerability affects Android versions 12.0 through 15.0 (NVD).

Technical details

The vulnerability exists due to improper implementation of file path filtering mechanisms in the Android Framework. It specifically impacts the shouldHideDocument function of ExternalStorageProvider.java, where incorrect unicode normalization could lead to bypassing restrictions on sensitive directory access. The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (NVD).

Impact

Successful exploitation of this vulnerability could lead to unauthorized access to sensitive directories including 'Android/data,' 'Android/obb,' and 'Android/sandbox' directories and their respective sub-directories. The vulnerability could result in local escalation of privilege, allowing attackers to gain elevated access to system resources (Hacker News).

Mitigation and workarounds

Google has released a patch to address this vulnerability, which involves replacing the path's pattern match check with file equality check. The fix has been implemented in the Android Framework codebase (Android Source).

Additional resources

Source: This report was generated using AI

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