CVE-2009-4444

{"id": "CVE-2009-4444", "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": "2009-12-29T21:00:24.327", "references": [{"url": "http://blogs.technet.com/msrc/archive/2009/12/27/new-reports-of-a-vulnerability-in-iis.aspx", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/37831", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"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": "http://www.securityfocus.com/bid/37460", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.vupen.com/english/advisories/2009/3634", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Microsoft Internet Information Services (IIS) 5.x and 6.x uses only the portion of a filename before a ; (semicolon) character to determine the file extension, which allows remote attackers to bypass intended extension restrictions of third-party upload applications via a filename with a (1) .asp, (2) .cer, or (3) .asa first extension, followed by a semicolon and a safe extension, as demonstrated by the use of asp.dll to handle a .asp;.jpg file."}, {"lang": "es", "value": "Microsoft Internet Information Services (IIS) 5.x y 6.x usa s\u00f3lo la porci\u00f3n de un nombre de fichero antes de un caracter ; (punto y coma) para determinar la extensi\u00f3n del fichero, lo que permite a atacantes remotos eludir las restricciones de extensi\u00f3n previstas para aplicaciones de subida de ficheros de terceros mediante un nombre de fichero con una primera extensi\u00f3n (1) .asp, (2) .cer o (3) .asa seguida de un punto y coma y una extensi\u00f3n segura, tal y como se ha quedado demostrado al usar asp.dll para manejar un fichero .asp;.jpg."}], "lastModified": "2020-11-23T19:50:33.257", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "413C07EA-139F-4B7D-A58B-835BD2591FA0"}, {"criteria": "cpe:2.3:a:microsoft:internet_information_services:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9B4DF95D-B4B1-4FB6-9D27-A6D359EEACFA"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}