FKIE_CVE-2006-5974

Vulnerability from fkie_nvd - Published: 2006-12-31 05:00 - Updated: 2026-06-16 22:32
Severity
Summary
fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions.
References
cve@mitre.orghttp://fedoranews.org/cms/node/2429
cve@mitre.orghttp://fetchmail.berlios.de/fetchmail-SA-2006-03.txt
cve@mitre.orghttp://osvdb.org/31836
cve@mitre.orghttp://secunia.com/advisories/23631Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/23804Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/23838Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/23923Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/24151Vendor Advisory
cve@mitre.orghttp://security.gentoo.org/glsa/glsa-200701-13.xml
cve@mitre.orghttp://securitytracker.com/id?1017479
cve@mitre.orghttp://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.517995
cve@mitre.orghttp://www.novell.com/linux/security/advisories/2007_4_sr.html
cve@mitre.orghttp://www.openpkg.com/security/advisories/OpenPKG-SA-2007.004.html
cve@mitre.orghttp://www.securityfocus.com/archive/1/456114/100/0/threaded
cve@mitre.orghttp://www.securityfocus.com/bid/21902Patch
cve@mitre.orghttp://www.trustix.org/errata/2007/0007
cve@mitre.orghttp://www.vupen.com/english/advisories/2007/0087
cve@mitre.orghttp://www.vupen.com/english/advisories/2007/0088
af854a3a-2127-422b-91ae-364da2661108http://fedoranews.org/cms/node/2429
af854a3a-2127-422b-91ae-364da2661108http://fetchmail.berlios.de/fetchmail-SA-2006-03.txt
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/31836
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/23631Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/23804Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/23838Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/23923Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/24151Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-200701-13.xml
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1017479
af854a3a-2127-422b-91ae-364da2661108http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.517995
af854a3a-2127-422b-91ae-364da2661108http://www.novell.com/linux/security/advisories/2007_4_sr.html
af854a3a-2127-422b-91ae-364da2661108http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.004.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/456114/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/21902Patch
af854a3a-2127-422b-91ae-364da2661108http://www.trustix.org/errata/2007/0007
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2007/0087
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2007/0088
Impacted products
Vendor Product Version
fetchmail fetchmail 6.3.5
fetchmail fetchmail 6.3.6
fetchmail fetchmail 6.3.6
fetchmail fetchmail 6.3.6
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:fetchmail:fetchmail:6.3.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "5D09BB43-6CBA-499B-91D1-BA256A65E40D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "B98AFEDF-2BAB-4588-94E0-35AEA5F1B514",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "4E8BAB5B-4DBC-4D05-B5E2-591573BC05FF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "02F6E729-A2F2-42AC-A941-F57A0A4E84A0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions."
    },
    {
      "lang": "es",
      "value": "fetchmail 6.3.5 y 6.3.6-rc4, cuando rechazan un mensaje entregado mediante la opci\u00f3n mda, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) mediante vectores desconocidos que disparan una referencia a puntero nulo cuando se llama a las funciones (1) ferror o (2) fflush."
    }
  ],
  "id": "CVE-2006-5974",
  "lastModified": "2026-06-16T22:32:14.393",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2006-12-31T05:00:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://fedoranews.org/cms/node/2429"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://fetchmail.berlios.de/fetchmail-SA-2006-03.txt"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://osvdb.org/31836"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/23631"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/23804"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/23838"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/23923"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/24151"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://security.gentoo.org/glsa/glsa-200701-13.xml"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://securitytracker.com/id?1017479"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2007\u0026m=slackware-security.517995"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.novell.com/linux/security/advisories/2007_4_sr.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.004.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/archive/1/456114/100/0/threaded"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securityfocus.com/bid/21902"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.trustix.org/errata/2007/0007"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.vupen.com/english/advisories/2007/0087"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.vupen.com/english/advisories/2007/0088"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://fedoranews.org/cms/node/2429"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://fetchmail.berlios.de/fetchmail-SA-2006-03.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/31836"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/23631"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/23804"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/23838"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/23923"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/24151"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://security.gentoo.org/glsa/glsa-200701-13.xml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://securitytracker.com/id?1017479"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2007\u0026m=slackware-security.517995"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.novell.com/linux/security/advisories/2007_4_sr.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.004.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/456114/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securityfocus.com/bid/21902"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.trustix.org/errata/2007/0007"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2007/0087"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2007/0088"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vendorComments": [
    {
      "comment": "Not vulnerable.  This issue does not affect the versions of fetchmail distributed with Red Hat Enterprise Linux 2.1, 3, or 4.",
      "lastModified": "2007-01-11T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.