Description

A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDCImporter::ValidateSurfaceHeader of the file assimp/code/AssetLib/MDC/MDCLoader.cpp. The manipulation of the argument pcSurface2 leads to out-of-bounds read. Attacking locally is a requirement. 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. Eine problematische Schwachstelle wurde in Open Asset Import Library Assimp 5.4.3 gefunden. Betroffen davon ist die Funktion MDCImporter::ValidateSurfaceHeader der Datei assimp/code/AssetLib/MDC/MDCLoader.cpp. Durch das Beeinflussen des Arguments pcSurface2 mit unbekannten Daten kann eine out-of-bounds read-Schwachstelle ausgenutzt werden. Umgesetzt werden muss der Angriff lokal. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-5165

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: 3.38% (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-2025-5165
https://vuldb.com/?id.310253
https://vuldb.com/?ctiid.310253
https://vuldb.com/?submit.578000
https://github.com/assimp/assimp/issues/6167
https://github.com/assimp/assimp/issues/6128
https://github.com/user-attachments/files/20204942/reproducer.zip

Timeline