Description

A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as problematic. Affected is the function LWOImporter::CountVertsAndFacesLWO2 of the file assimp/code/AssetLib/LWO/LWOLoader.cpp. The manipulation leads to out-of-bounds read. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future. Es wurde eine problematische Schwachstelle in Open Asset Import Library Assimp 5.4.3 ausgemacht. Es betrifft die Funktion LWOImporter::CountVertsAndFacesLWO2 der Datei assimp/code/AssetLib/LWO/LWOLoader.cpp. Mit der Manipulation mit unbekannten Daten kann eine out-of-bounds read-Schwachstelle ausgenutzt werden. Der Angriff hat dabei lokal zu erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-5201

CVSS Base Severity: LOW

CVSS Base Score: 3.3

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected Products

Vendor: Open Asset Import Library

Product: Assimp

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 4.16% (scored less or equal to compared to others)

EPSS Date: 2025-06-06 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-5201
https://vuldb.com/?id.310290
https://vuldb.com/?ctiid.310290
https://vuldb.com/?submit.578006
https://github.com/assimp/assimp/issues/6173
https://github.com/assimp/assimp/issues/6128
https://github.com/user-attachments/files/20209125/line-832-reproducer.zip

Timeline