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

What is CVE-2025-2591?

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.

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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)
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