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

What is CVE-2025-3158?

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.

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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-2025-3158 - 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)
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