Vulnerability-Lookup

PYSEC-2025-261

Vulnerability from pysec - Published: 2025-03-31 21:15 - Updated: 2026-07-13 05:51

Details

A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::ASEImporter::BuildUniqueRepresentation of the file code/AssetLib/ASE/ASELoader.cpp of the component ASE File Handler. The manipulation of the argument mIndices leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 6.0 is able to address this issue. The patch is named 7c705fde418d68cca4e8eff56be01b2617b0d6fe. It is recommended to apply a patch to fix this issue.

Severity

8.8 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impacted products

Name	purl
pyassimp	pkg:pypi/pyassimp

Aliases

CVE-2025-3015

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "pyassimp",
        "purl": "pkg:pypi/pyassimp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "5.4.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.1",
        "3.3",
        "4.1.1",
        "4.1.2",
        "4.1.3",
        "4.1.4",
        "5.2.5"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-3015"
  ],
  "details": "A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::ASEImporter::BuildUniqueRepresentation of the file code/AssetLib/ASE/ASELoader.cpp of the component ASE File Handler. The manipulation of the argument mIndices leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 6.0 is able to address this issue. The patch is named 7c705fde418d68cca4e8eff56be01b2617b0d6fe. It is recommended to apply a patch to fix this issue.",
  "id": "PYSEC-2025-261",
  "modified": "2026-07-13T05:51:01.548627Z",
  "published": "2025-03-31T21:15:53.757Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?id.302067"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?submit.524589"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/assimp/assimp/issues/6021"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/assimp/assimp/issues/6021#issue-2877378829"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/?ctiid.302067"
    },
    {
      "type": "FIX",
      "url": "https://github.com/assimp/assimp/commit/7c705fde418d68cca4e8eff56be01b2617b0d6fe"
    },
    {
      "type": "FIX",
      "url": "https://github.com/assimp/assimp/pull/6045"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-3015 (GCVE-0-2025-3015)

Vulnerability from cvelistv5 – Published: 2025-03-31 20:31 – Updated: 2025-03-31 21:21

Title

Open Asset Import Library Assimp ASE File ASELoader.cpp BuildUniqueRepresentation out-of-bounds

Summary

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

6.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

6.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-31 21:20 UTC

CWE

CWE-125 - Out-of-Bounds Read
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

7 references

URL	Tags
https://vuldb.com/?id.302067	vdb-entrytechnical-description
https://vuldb.com/?ctiid.302067	signaturepermissions-required
https://vuldb.com/?submit.524589	third-party-advisory
https://github.com/assimp/assimp/issues/6021	issue-tracking
https://github.com/assimp/assimp/pull/6045	issue-tracking
https://github.com/assimp/assimp/issues/6021#issu…	exploitissue-tracking
https://github.com/assimp/assimp/commit/7c705fde4…	patch

Impacted products

1 product

Vendor	Product	Version
Open Asset Import Library	Assimp	Affected: 5.4.3

Credits

d3ng03 (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-3015",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-31T21:20:52.272522Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-31T21:21:09.096Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/assimp/assimp/issues/6021"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "ASE File Handler"
          ],
          "product": "Assimp",
          "vendor": "Open Asset Import Library",
          "versions": [
            {
              "status": "affected",
              "version": "5.4.3"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "d3ng03 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::ASEImporter::BuildUniqueRepresentation of the file code/AssetLib/ASE/ASELoader.cpp of the component ASE File Handler. The manipulation of the argument mIndices leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 6.0 is able to address this issue. The patch is named 7c705fde418d68cca4e8eff56be01b2617b0d6fe. It is recommended to apply a patch to fix this issue."
        },
        {
          "lang": "de",
          "value": "Es wurde eine Schwachstelle in Open Asset Import Library Assimp 5.4.3 entdeckt. Sie wurde als kritisch eingestuft. Es geht dabei um die Funktion Assimp::ASEImporter::BuildUniqueRepresentation der Datei code/AssetLib/ASE/ASELoader.cpp der Komponente ASE File Handler. Durch das Manipulieren des Arguments mIndices mit unbekannten Daten kann eine out-of-bounds read-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk passieren. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung. Ein Aktualisieren auf die Version 6.0 vermag dieses Problem zu l\u00f6sen. Der Patch wird als 7c705fde418d68cca4e8eff56be01b2617b0d6fe bezeichnet. Als bestm\u00f6gliche Massnahme wird Patching empfohlen."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.1"
          }
        },
        {
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            "baseSeverity": "MEDIUM",
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            "version": "3.0"
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        },
        {
          "cvssV2_0": {
            "baseScore": 7.5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          }
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      "problemTypes": [
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          "descriptions": [
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              "cweId": "CWE-125",
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              "type": "CWE"
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        },
        {
          "descriptions": [
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              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-03-31T20:31:06.477Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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      },
      "references": [
        {
          "name": "VDB-302067 | Open Asset Import Library Assimp ASE File ASELoader.cpp BuildUniqueRepresentation out-of-bounds",
          "tags": [
            "vdb-entry",
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          ],
          "url": "https://vuldb.com/?id.302067"
        },
        {
          "name": "VDB-302067 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.302067"
        },
        {
          "name": "Submit #524589 | Open Asset Import Library Assimp \u003e=5.4.3 Out-of-Bounds Read",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.524589"
        },
        {
          "tags": [
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          "url": "https://github.com/assimp/assimp/issues/6021"
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          "url": "https://github.com/assimp/assimp/issues/6021#issue-2877378829"
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          "lang": "en",
          "time": "2025-03-31T00:00:00.000Z",
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          "lang": "en",
          "time": "2025-03-31T02:00:00.000Z",
          "value": "VulDB entry created"
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          "lang": "en",
          "time": "2025-03-31T07:43:00.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Open Asset Import Library Assimp ASE File ASELoader.cpp BuildUniqueRepresentation out-of-bounds"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-3015",
    "datePublished": "2025-03-31T20:31:06.477Z",
    "dateReserved": "2025-03-31T05:37:55.204Z",
    "dateUpdated": "2025-03-31T21:21:09.096Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.