Out-of-Bounds Read Vulnerability in Open Asset Import Library Assimp
CVE-2025-5167

4.8MEDIUM

Key Information:

Vendor

Open Asset Import Library

Status
Assimp
Vendor
CVE Published:
26 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5167?

A vulnerability exists in Open Asset Import Library (Assimp) version 5.4.3, specifically in the LWOImporter::GetS0 function. The issue arises due to improper handling of the argument 'out', which can lead to an out-of-bounds read condition. This type of vulnerability requires local access to be exploited. Public disclosure of this vulnerability has taken place, allowing the possibility for malicious actors to leverage it. The Assimp project aims to consolidate all related Fuzzer bugs to address similar security issues in future updates.

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-2025-5167 - Proof of Concept

References

https://vuldb.com/?id.310255
vdb-entrytechnical-description
https://vuldb.com/?ctiid.310255
signaturepermissions-required
https://vuldb.com/?submit.578002
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-5167 : Out-of-Bounds Read Vulnerability in Open Asset Import Library Assimp