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Vulnerability DatabaseCVE-2023-46928
CVE-2023-46928:
NixOS vulnerability analysis and mitigation
Overview
GPAC 2.3-DEV-rev605-gfc9e29089-master contains a segmentation fault (SEGV) vulnerability in the gfmediachangepl function located in /afltest/gpac/src/mediatools/isom_tools.c at line 3293. The vulnerability was discovered in October 2023 and affects the MP4Box component of GPAC (NVD, Debian Tracker).
Technical details
The vulnerability is triggered by a write memory access to an invalid address (0x000000000002) pointing to the zero page. The issue occurs in the gfmediachange_pl function when processing certain MP4 files. The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (NVD).
Impact
When exploited, this vulnerability can cause the application to crash through a segmentation fault, potentially leading to a denial of service condition. The vulnerability requires local access and user interaction to be exploited (GitHub Issue).
Mitigation and workarounds
A fix has been implemented through a null guard check in the gfmediachange_pl function. The patch is available in commit 0753bf6d867343a80a044bf47a27d0b7accc8bf1 (GPAC Patch).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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