CVE-2025-14607

// CVE-2025-14607 PoC - DCMTK dcmdata memory corruption // Target: DcmByteString::makeDicomByteString in dcbytstr.cc // Affected: DCMTK <= 3.6.9 #include <dcmtk/dcmdata/dctk.h> #include <fstream> int main(int argc, char* argv[]) { if (argc < 2) { std::cerr << "Usage: " << argv[0] << " <malicious_dcm_file>" << std::endl; return 1; } const char* filename = argv[1]; DcmFileFormat dcmff; OFCondition status = dcmff.loadFile(filename); if (status.bad()) { std::cerr << "Error loading file: " << status.text() << std::endl; return 1; } DcmDataset* dataset = dcmff.getDataset(); if (dataset) { // Trigger parsing of byte string elements // This may trigger the vulnerability in makeDicomByteString const char* patientName = nullptr; OFCondition cond = dataset->findAndGetString(DCM_PatientName, patientName); if (cond.good()) { std::cout << "Patient Name: " << patientName << std::endl; } } return 0; } // Note: Actual PoC requires crafting a DICOM file with specially // constructed byte string values that trigger memory corruption // in DcmByteString::makeDicomByteString function

{"cve": {"id": "CVE-2025-14607", "sourceIdentifier": "[email protected]", "published": "2025-12-13T16:16:52.840", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in OFFIS DCMTK up to 3.6.9. Affected by this issue is the function DcmByteString::makeDicomByteString of the file dcmdata/libsrc/dcbytstr.cc of the component dcmdata. The manipulation results in memory corruption. The attack can be launched remotely. Upgrading to version 3.7.0 can resolve this issue. The patch is identified as 4c0e5c10079392c594d6a7abd95dd78ac0aa556a. You should upgrade the affected component."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "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:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseScore": 6.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "baseScore": 6.5, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-119"}]}], "references": [{"url": "https://github.com/DCMTK/dcmtk/commit/4c0e5c10079392c594d6a7abd95dd78ac0aa556a", "source": "[email protected]"}, {"url": "https://support.dcmtk.org/redmine/issues/1184", "source": "[email protected]"}, {"url": "https://support.dcmtk.org/redmine/projects/dcmtk/activity?from=2025-12-02", "source": "[email protected]"}, {"url": "https://support.dcmtk.org/redmine/versions/19", "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.336283", "source": "[email protected]"}, {"url": "https://vuldb.com/?id.336283", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.705036", "source": "[email protected]"}]}}