CVE-2009-4445

{"id": "CVE-2009-4445", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": true, "userInteractionRequired": false}]}, "published": "2009-12-29T21:00:24.453", "references": [{"url": "http://securitytracker.com/id?1023387", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://soroush.secproject.com/downloadable/iis-semicolon-report.pdf", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/55308", "source": "cve@mitre.org"}, {"url": "http://securitytracker.com/id?1023387", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://soroush.secproject.com/downloadable/iis-semicolon-report.pdf", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/55308", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "Microsoft Internet Information Services (IIS), when used in conjunction with unspecified third-party upload applications, allows remote attackers to create empty files with arbitrary extensions via a filename containing an initial extension followed by a : (colon) and a safe extension, as demonstrated by an upload of a .asp:.jpg file that results in creation of an empty .asp file, related to support for the NTFS Alternate Data Streams (ADS) filename syntax. NOTE: it could be argued that this is a vulnerability in the third-party product, not IIS, because the third-party product should be applying its extension restrictions to the portion of the filename before the colon."}, {"lang": "es", "value": "Microsoft Internet Information Services (IIS), cuando es utilizado junto con aplicaciones de subida de archivos de terceras partes sin especificar, permite a atacantes remotos crear ficheros vac\u00edos con extensiones de su elecci\u00f3n a trav\u00e9s de un nombre de fichero que contiene una extensi\u00f3n inicial seguida por : (dos puntos) y una extensi\u00f3n segura; como se ha demostrado con la subida de un fichero .asp:.jpg que resulta en la creacci\u00f3n de un fichero vac\u00edo .asp. Relacionado con el soporte de la sintaxis de nombres de ficheros de NTFS Alternate Data Streams (ADS). NOTA: se podr\u00eda decir que es una vulnerabilidad del producto de terceras partes, no de IIS, porque el producto de terceras partes deber\u00eda imponer restricciones a las extensiones en la porci\u00f3n de nombre de fichero anterior a los dos puntos."}], "lastModified": "2025-04-09T00:30:58.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:internet_information_services:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5CB4C943-1963-41A8-9D40-D79C0488219B", "versionEndIncluding": "6.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}