{"id":"CVE-2025-3549","state":"PUBLISHED","title":"Open Asset Import Library Assimp File MD3Loader.cpp ValidateSurfaceHeaderOffsets heap-based overflow","description":"A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.","publishedAt":"2025-04-14T03:00:08.855Z","updatedAt":"2025-07-23T09:01:29.860Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["Open Asset Import Library Assimp"],"affected":[{"vendor":"Open Asset Import Library","product":"Assimp","versions":[{"version":"5.4.3","status":"affected"}],"modules":["File Handler"]}],"references":["https://vuldb.com/?id.304590","https://vuldb.com/?ctiid.304590","https://vuldb.com/?submit.546414","https://github.com/assimp/assimp/issues/6070","https://github.com/user-attachments/files/19580481/Assimp_MD3Importer_ValidateSurfaceHeaderOffsets-hbo.zip"],"weaknesses":["CWE-122","CWE-119"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/3xxx/CVE-2025-3549.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-3549","state":"PUBLISHED","datePublished":"2025-04-14T03:00:08.855Z","dateUpdated":"2025-07-23T09:01:29.860Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2025-04-13T17:47:14.206Z"},"containers":{"cna":{"title":"Open Asset Import Library Assimp File MD3Loader.cpp ValidateSurfaceHeaderOffsets heap-based overflow","descriptions":[{"lang":"en","value":"A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used."},{"lang":"de","value":"Es wurde eine Schwachstelle in Open Asset Import Library Assimp 5.4.3 gefunden. Sie wurde als kritisch eingestuft. Es betrifft die Funktion Assimp::MD3Importer::ValidateSurfaceHeaderOffsets der Datei code/AssetLib/MD3/MD3Loader.cpp der Komponente File Handler. Dank der Manipulation mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff hat dabei lokal zu erfolgen. Der Exploit steht zur öffentlichen Verfügung."}],"affected":[{"vendor":"Open Asset Import Library","product":"Assimp","versions":[{"version":"5.4.3","status":"affected"}],"modules":["File Handler"]}],"references":[{"url":"https://vuldb.com/?id.304590","name":"VDB-304590 | Open Asset Import Library Assimp File MD3Loader.cpp ValidateSurfaceHeaderOffsets heap-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.304590","name":"VDB-304590 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.546414","name":"Submit #546414 | Open Asset Import Library Assimp 5.4.3 Heap-based Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/assimp/assimp/issues/6070","tags":["issue-tracking"]},{"url":"https://github.com/user-attachments/files/19580481/Assimp_MD3Importer_ValidateSurfaceHeaderOffsets-hbo.zip","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4.3,"vectorString":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","type":"CWE","lang":"en","description":"Heap-based Buffer Overflow"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2025-07-23T09:01:29.860Z"},"timeline":[{"time":"2025-04-13T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-04-13T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-07-23T11:03:32.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Chen Lihai","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-14T14:41:34.140140Z","id":"CVE-2025-3549","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-14T14:51:11.154Z"}}]}}}