CVE-2025-5201 | THREATINT

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.

Reserved 2025-05-26 | Published 2025-05-26 | Updated 2025-05-28 | Assigner VulDB

MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

1.7AV:L/AC:L/Au:S/C:N/I:N/A:P

Problem types

Out-of-Bounds Read

Memory Corruption

Product status

5.4.3

affected

Timeline

2025-05-26:	Advisory disclosed
2025-05-26:	VulDB entry created
2025-05-26:	VulDB entry last update

References

vuldb.com/?id.310290 (VDB-310290 | Open Asset Import Library Assimp LWOLoader.cpp CountVertsAndFacesLWO2 out-of-bounds) vdb-entry technical-description

vuldb.com/?ctiid.310290 (VDB-310290 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.578006 (Submit #578006 | Open Asset Import Library Assimp 5.4.3 Heap Out of Bounds Read) third-party-advisory

github.com/assimp/assimp/issues/6173 issue-tracking

github.com/assimp/assimp/issues/6128 issue-tracking

github.com/...chments/files/20209125/line-832-reproducer.zip exploit

cve.org (CVE-2025-5201)

nvd.nist.gov (CVE-2025-5201)

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