FKIE_CVE-2004-0836

Vulnerability from fkie_nvd - Published: 2004-11-03 05:00 - Updated: 2026-06-16 22:06
Severity
Summary
Buffer overflow in the mysql_real_connect function in MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows remote DNS servers to cause a denial of service and possibly execute arbitrary code via a DNS response with a large address length (h_length).
References
cve@mitre.orghttp://bugs.mysql.com/bug.php?id=4017Exploit, Vendor Advisory
cve@mitre.orghttp://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000892Broken Link
cve@mitre.orghttp://lists.mysql.com/internals/14726Vendor Advisory
cve@mitre.orghttp://marc.info/?l=bugtraq&m=110140517515735&w=2Mailing List, Third Party Advisory
cve@mitre.orghttp://secunia.com/advisories/12305/Third Party Advisory
cve@mitre.orghttp://www.ciac.org/ciac/bulletins/p-018.shtmlBroken Link
cve@mitre.orghttp://www.debian.org/security/2004/dsa-562Third Party Advisory
cve@mitre.orghttp://www.gentoo.org/security/en/glsa/glsa-200410-22.xmlThird Party Advisory
cve@mitre.orghttp://www.redhat.com/support/errata/RHSA-2004-597.htmlPatch, Vendor Advisory
cve@mitre.orghttp://www.redhat.com/support/errata/RHSA-2004-611.htmlPatch, Vendor Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/10981Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.trustix.org/errata/2004/0054/Vendor Advisory
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/17047Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://bugs.mysql.com/bug.php?id=4017Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000892Broken Link
af854a3a-2127-422b-91ae-364da2661108http://lists.mysql.com/internals/14726Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=110140517515735&w=2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/12305/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ciac.org/ciac/bulletins/p-018.shtmlBroken Link
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2004/dsa-562Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.gentoo.org/security/en/glsa/glsa-200410-22.xmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2004-597.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2004-611.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/10981Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.trustix.org/errata/2004/0054/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/17047Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
oracle mysql *
oracle mysql *
debian debian_linux 3.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B4E0733B-5C1C-4579-9FD2-251E45E8D93F",
              "versionEndExcluding": "3.23.49",
              "versionStartIncluding": "3.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E9CB33C2-B487-4DC3-A7F4-4A9D61EA12FD",
              "versionEndExcluding": "4.0.21",
              "versionStartIncluding": "4.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "2CAE037F-111C-4A76-8FFE-716B74D65EF3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in the mysql_real_connect function in MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows remote DNS servers to cause a denial of service and possibly execute arbitrary code via a DNS response with a large address length (h_length)."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de b\u00fafer en la funci\u00f3n mysql_real_connect de MySQL 4.x anteriores a 3.0.21 y 3.x anteriores a 3.23.49 permite a servidores DNS remotos causar una denegaci\u00f3n de servicio y posiblemente ejecutar c\u00f3digo arbitrario mediante una respuesta DNS con un un tama\u00f1o de direcci\u00f3n largo (h_length)."
    }
  ],
  "id": "CVE-2004-0836",
  "lastModified": "2026-06-16T22:06:29.247",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 10.0,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 10.0,
        "obtainAllPrivilege": true,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2004-11-03T05:00:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "http://bugs.mysql.com/bug.php?id=4017"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000892"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://lists.mysql.com/internals/14726"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://marc.info/?l=bugtraq\u0026m=110140517515735\u0026w=2"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://secunia.com/advisories/12305/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.ciac.org/ciac/bulletins/p-018.shtml"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.debian.org/security/2004/dsa-562"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200410-22.xml"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.redhat.com/support/errata/RHSA-2004-597.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.redhat.com/support/errata/RHSA-2004-611.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/10981"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.trustix.org/errata/2004/0054/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17047"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "http://bugs.mysql.com/bug.php?id=4017"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000892"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://lists.mysql.com/internals/14726"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://marc.info/?l=bugtraq\u0026m=110140517515735\u0026w=2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://secunia.com/advisories/12305/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.ciac.org/ciac/bulletins/p-018.shtml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.debian.org/security/2004/dsa-562"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200410-22.xml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.redhat.com/support/errata/RHSA-2004-597.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.redhat.com/support/errata/RHSA-2004-611.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/10981"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.trustix.org/errata/2004/0054/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17047"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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