CVE-2021-40942
NixOS vulnerability analysis and mitigation

Overview

In GPAC MP4Box v1.1.0, there is a heap-buffer-overflow vulnerability in the function filterparsedynargs located in filtercore/filter.c:1454. This vulnerability was discovered and reported in September 2021 (GitHub Issue).

Technical details

The vulnerability occurs when processing files with extremely long path names (length > 1024 characters). The heap buffer overflow is triggered in the filterparsedynargs function, specifically at line 1454 of filtercore/filter.c. According to the CVSS 3.1 scoring, this vulnerability has a base score of 5.5 MEDIUM (Vector: 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 a denial of service (DOS) condition through a system crash. The vulnerability affects the availability of the system while not impacting confidentiality or integrity (NVD).

Mitigation and workarounds

The vulnerability affects GPAC MP4Box version 1.1.0. Users should update to a patched version of the software when available. In the meantime, users should avoid processing files with extremely long path names (NVD).

Additional resources


SourceThis report was generated using AI

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