Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2025-5201
CVE-2025-5201:
Linux Debian vulnerability analysis and mitigation
Overview
A vulnerability has been identified in Open Asset Import Library (Assimp) version 5.4.3, tracked as CVE-2025-5201. The issue affects the LWOImporter::CountVertsAndFacesLWO2 function in the file assimp/code/AssetLib/LWO/LWOLoader.cpp, where an out-of-bounds read vulnerability exists. The vulnerability was discovered and disclosed to the public in May 2025 (NVD).
Technical details
The vulnerability stems from improper memory handling in the LWOImporter::CountVertsAndFacesLWO2 function. The code assumes that the end pointer is 2-byte-aligned, but when it is not, the memcpy operation reads out of bounds. Additionally, the numIndices variable is used in a loop condition without proper boundary checks, leading to potential buffer overflows. The issue has been assigned CVSS v3.1 Base Score of 3.3 (LOW) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L (Github Issue).
Impact
The vulnerability allows for out-of-bounds read operations, which could potentially lead to information disclosure or application crashes. The attack requires local access to be exploited, limiting its potential impact. The vulnerability primarily affects the integrity of memory operations when processing LWO format files (NVD).
Mitigation and workarounds
The project team has acknowledged the vulnerability and is tracking it along with other fuzzer-detected bugs. Currently, there is no official patch available, as the project has decided to address these issues collectively in the future (Github Issue).
Additional resources
Source: This report was generated using AI
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