CVE-2021-40607
NixOS vulnerability analysis and mitigation

Overview

The schmboxsize function in GPAC 1.0.1 allows attackers to cause a denial of service via a crafted file in the MP4Box command (NVD). The vulnerability was discovered in 2021 and affects GPAC versions up to 1.0.1.

Technical details

The vulnerability exists in the schmboxsize function where a heap-buffer-overflow can occur due to missing '\0' check at the end of URI. When calculating the size using strlen(ptr->URI), if the URI does not end with a null terminator, it can lead to a buffer overflow (GitHub Issue). The vulnerability has been assigned a CVSS v3.1 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

The vulnerability can lead to a denial of service condition when processing crafted files with MP4Box command. The impact is primarily on the availability of the system, with no direct impact on confidentiality or integrity (NVD).

Mitigation and workarounds

The vulnerability was addressed in GPAC version 2.0.0. Users are recommended to upgrade to this version or later to mitigate the vulnerability (NVD).

Additional resources


SourceThis report was generated using AI

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