CVE-2021-25831

{"id": "CVE-2021-25831", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-03-01T16:15:14.353", "references": [{"url": "https://github.com/ONLYOFFICE/DocumentServer", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://github.com/ONLYOFFICE/core", "tags": ["Product", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L1918", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L241", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/PPTXFormat/Logic/Fills/BlipFill.cpp#L328", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25831", "tags": ["Exploit", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/ONLYOFFICE/DocumentServer", "tags": ["Product"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/ONLYOFFICE/core", "tags": ["Product", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L1918", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L241", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/PPTXFormat/Logic/Fills/BlipFill.cpp#L328", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25831", "tags": ["Exploit", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. An attacker must request the conversion of the crafted file from PPTT into PPTX format. Using the chain of two other bugs related to improper string handling, a remote attacker can obtain remote code execution on DocumentServer."}, {"lang": "es", "value": "Se encontr\u00f3 un problema de manejo de extensiones de archivo en el m\u00f3dulo [core] de ONLYOFFICE DocumentServer versiones v4.0.0-9-v5.6.3. Un atacante debe pedir la conversi\u00f3n del archivo dise\u00f1ado de PPTT a formato PPTX. Al Usar la cadena de otros dos bugs relacionados con el manejo inapropiado de cadenas, un atacante remoto puede obtener una ejecuci\u00f3n de c\u00f3digo remota en DocumentServer"}], "lastModified": "2024-11-21T05:55:29.660", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "076102C8-B582-4304-AD4E-0CDAE6DF191A", "versionEndIncluding": "5.6.3", "versionStartIncluding": "4.0.0-9"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}