Open Asset Import Library Assimp 5.4.3 MDCLoader.cpp ValidateSurfaceHeader pcSurface2 out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Open Asset Import Library Assimp 5.4.3. This impacts the function MDCImporter::ValidateSurfaceHeader of the file assimp/code/AssetLib/MDC/MDCLoader.cpp. The manipulation of the argument pcSurface2 leads to out-of-bounds.
This vulnerability is listed as CVE-2025-5165. The attack must be carried out locally. In addition, an exploit is available.
The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.
Details
A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDCImporter::ValidateSurfaceHeader of the file assimp/code/AssetLib/MDC/MDCLoader.cpp. The manipulation of the argument pcSurface2 with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability.
The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-5165. The exploitation is known to be easy. An attack has to be approached locally. Technical details as well as a public exploit are known.
The exploit is available at github.com. It is declared as proof-of-concept. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 3.3VulDB Meta Temp Score: 3.1
VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 3.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
05/25/2025 Advisory disclosed05/25/2025 VulDB entry created
05/26/2025 VulDB entry last update
Sources
Advisory: 6167Status: Not defined
Confirmation: 🔒
CVE: CVE-2025-5165 (🔒)
GCVE (CVE): GCVE-0-2025-5165
GCVE (VulDB): GCVE-100-310253
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 05/25/2025 15:19Updated: 05/26/2025 13:38
Changes: 05/25/2025 15:19 (60), 05/26/2025 05:35 (30), 05/26/2025 13:38 (1)
Complete: 🔍
Cache ID: 216::103
Submit
Accepted
- Submit #578000: Open Asset Import Library Assimp 5.4.3 Heap Out of Bounds Read (by github.com)
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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