CVE-2007-3303

{
  "id": "CVE-2007-3303",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-06-20T22:30:00.000",
  "references": [
    {
      "url": "http://osvdb.org/37050",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://security.psnc.pl/files/apache_report.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securityreason.com/securityalert/2814",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/469899/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/471832/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/24215",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/37050",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.psnc.pl/files/apache_report.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securityreason.com/securityalert/2814",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/469899/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/471832/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/24215",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Apache httpd 2.0.59 and 2.2.4, with the Prefork MPM module, allows local users to cause a denial of service via certain code sequences executed in a worker process that (1) stop request processing by killing all worker processes and preventing creation of replacements or (2) hang the system by forcing the master process to fork an arbitrarily large number of worker processes.  NOTE: This might be an inherent design limitation of Apache with respect to worker processes in hosted environments."
    },
    {
      "lang": "es",
      "value": "Apache httpd 2.0.59 y 2.2.4, con el módulo Prefork MPM, permite a usuarios locales provocar una denegación de servicio mediante ciertas secuencias de código ejecutadas en un proceso trabajador que (1) para el procesamiento de una petición matando todos los procesos trabajadores y previniendo la creación de reemplazos o (2) cuelga el sistema forzando al proceso maestro a crear un número arbitrario de procesos trabajadores. NOTA: esto podría ser una limitación inherente de diseño de Apache con respecto a procesos trabajadores en entornos host."
    }
  ],
  "lastModified": "2026-06-16T22:41:27.190",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:http_server:2.0.59:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5236DC61-5557-4C24-8F5B-F48548448588"
            },
            {
              "criteria": "cpe:2.3:a:apache:http_server:2.2.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A894BED6-C97D-4DA4-A13D-9CB2B3306BC5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "In the security model used by Apache httpd, the less-privileged child processes completely handle the servicing of new connections. Any local user who is able to run arbitrary code in those children is therefore able to prevent new requests from being serviced, by design.  Such\nusers will also be able to "simulate" server load and force the parent to create children up to the configured limits, by design.\n\nA server with untrusted local users must be configured to use a solution like "suexec" if its required to allow the users to execute CGI (etc) scripts.\n",
      "lastModified": "2008-07-02T00:00:00",
      "organization": "Apache"
    },
    {
      "comment": "Not a vulnerability.  In the security model used by Apache httpd, the less-privileged child processes (running as the "apache" user) completely handle the servicing of new connections. Any local user who is able to run arbitrary code in those children is therefore able to prevent new requests from being serviced, by design.  Such users will also be able to "simulate" server load and force the parent to create children up to the configured limits, by design.",
      "lastModified": "2007-06-26T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}