Divide by Zero Vulnerability in Open Asset Import Library Assimp by Open Asset Import Library
CVE-2025-2591

5.3MEDIUM

Key Information:

Vendor
Open Asset Import Library
Status
Assimp
Vendor
CVE Published:
21 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability has been identified in the Open Asset Import Library Assimp (version 5.4.3), specifically within the MDLImporter::InternReadFile_Quake1 function located in MDLLoader.cpp. This flaw occurs due to improper argument handling, specifically concerning skinwidth and skinheight parameters, potentially leading to a divide by zero error during processing. The situation poses a significant risk as it can be exploited remotely. The issue has been publicly disclosed, thus prompting the need for immediate remediation through the application of a patch (commit ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd) to mitigate the impact of this vulnerability.

Affected Version(s)

Assimp 5.4.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-2591 - Proof of Concept

References

https://vuldb.com/?id.300574
vdb-entrytechnical-description
https://vuldb.com/?ctiid.300574
signaturepermissions-required
https://vuldb.com/?submit.517781
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

d3ng03 (VulDB User)
.