CVE-2024-46632
NixOS vulnerability analysis and mitigation

Overview

Assimp v5.4.3 contains a heap-based buffer overflow vulnerability in the MD5Importer::LoadMD5MeshFile function. The vulnerability was discovered and reported on September 9, 2024 (GitHub Issue). The issue affects the MD5 format parsing functionality within the Asset Import Library (Assimp).

Technical details

The vulnerability is classified as CWE-122 (Heap-based Buffer Overflow) with a CVSS v3.1 base score of 4.3 (MEDIUM) and vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L (NVD). The bug occurs during a memory copy operation in the MD5Importer::LoadMD5MeshFile function, leading to a heap buffer overflow condition when processing certain MD5 format files.

Impact

The vulnerability can lead to a heap buffer overflow condition, which could potentially result in program crashes or memory corruption. The issue affects multiple versions of software distributions including Debian bullseye (5.0.1~ds0-2), bookworm (5.2.5~ds0-1), and sid/trixie (5.4.3+ds-2) (Debian Tracker).

Additional resources


SourceThis report was generated using AI

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