CVE-2011-4415

{"id": "CVE-2011-4415", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 1.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "HIGH", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 1.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2011-11-08T11:55:05.850", "references": [{"url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041", "source": "cve@mitre.org"}, {"url": "http://www.gossamer-threads.com/lists/apache/dev/403775", "source": "cve@mitre.org"}, {"url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/", "tags": ["Exploit", "Patch"], "source": "cve@mitre.org"}, {"url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/DemoExploit.html", "tags": ["Exploit"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the size of values of environment variables, which allows local users to cause a denial of service (memory consumption or NULL pointer dereference) via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, related to (1) the \"len +=\" statement and (2) the apr_pcalloc function call, a different vulnerability than CVE-2011-3607."}, {"lang": "es", "value": "La funci\u00f3n ap_pregsub en server/util.c en el servidor HTTP Apache v2.0.x hasta la 2.0.64 y la v2.2.x hasta la v2.2.21, cuando el m\u00f3dulo mod_setenvif est\u00e1 activado, no limita el tama\u00f1o de los valores de las variables de entorno, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (consumo de memoria o puntero a NULL) a trav\u00e9s de un archivo de tipo .htaccess que incluye una directiva SetEnvIf modificada, junto con un encabezado de solicitud HTTP manipulado, relacionado con (1) la declarci\u00f3n \"len + =\" y (2) con la llamada a la funcion apr_pcalloc, una vulnerabilidad diferente a CVE-2011-3607."}], "lastModified": "2012-07-03T04:04:31.843", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "163A6EF6-7D3F-4B1F-9E03-A8C86562CC3D"}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.9:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "154566FB-0D1A-4DC2-AFE6-49DE93850951"}, {"criteria": 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