Heap-Based Buffer Overflow in Open Asset Import Library Assimp Affecting File Handler
CVE-2025-3158

4.8MEDIUM

Key Information:

Vendor
Open Asset Import Library
Status
Assimp
Vendor
CVE Published:
3 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability has been identified in the Open Asset Import Library Assimp, specifically within the LWO File Handler component. The flaw resides in the Assimp::LWO::AnimResolver::UpdateAnimRangeSetup function, where improper handling of input can lead to a heap-based buffer overflow. This vulnerability could allow an attacker to exploit the weakness locally. It has been disclosed publicly, raising concerns about potential malicious usage in the wild.

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-2025-3158 - Proof of Concept

References

https://vuldb.com/?id.303104
vdb-entrytechnical-description
https://vuldb.com/?ctiid.303104
signaturepermissions-required
https://vuldb.com/?submit.542246
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
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

Credit

d3ng03 (VulDB User)
.