FKIE_CVE-2005-0256

Vulnerability from fkie_nvd - Published: 2005-05-02 04:00 - Updated: 2026-06-16 22:10
Severity
Summary
The wu_fnmatch function in wu_fnmatch.c in wu-ftpd 2.6.1 and 2.6.2 allows remote attackers to cause a denial of service (CPU exhaustion by recursion) via a glob pattern with a large number of * (wildcard) characters, as demonstrated using the dir command.
References
cve@mitre.orgftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.63/SCOSA-2005.63.txt
cve@mitre.orghttp://itrc.hp.com/service/cki/docDisplay.do?docId=c00637342
cve@mitre.orghttp://secunia.com/advisories/14411Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/18210Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/19561Vendor Advisory
cve@mitre.orghttp://sunsolve.sun.com/search/document.do?assetkey=1-26-101699-1
cve@mitre.orghttp://sunsolve.sun.com/search/document.do?assetkey=1-26-57795-1
cve@mitre.orghttp://www.debian.org/security/2005/dsa-705Patch, Vendor Advisory
cve@mitre.orghttp://www.idefense.com/application/poi/display?id=207&type=vulnerabilitiesExploit
cve@mitre.orghttp://www.osvdb.org/14203
cve@mitre.orghttp://www.vupen.com/english/advisories/2005/0588Vendor Advisory
cve@mitre.orghttp://www.vupen.com/english/advisories/2006/1271Vendor Advisory
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1265
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1333
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1762
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.63/SCOSA-2005.63.txt
af854a3a-2127-422b-91ae-364da2661108http://itrc.hp.com/service/cki/docDisplay.do?docId=c00637342
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/14411Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/18210Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/19561Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://sunsolve.sun.com/search/document.do?assetkey=1-26-101699-1
af854a3a-2127-422b-91ae-364da2661108http://sunsolve.sun.com/search/document.do?assetkey=1-26-57795-1
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2005/dsa-705Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.idefense.com/application/poi/display?id=207&type=vulnerabilitiesExploit
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/14203
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2005/0588Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2006/1271Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1265
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1333
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1762
Impacted products
Vendor Product Version
washington_university wu-ftpd 2.6.1
washington_university wu-ftpd 2.6.2
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:washington_university:wu-ftpd:2.6.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "7196CF2D-8CCC-454A-A2C1-6408A9D636C5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:washington_university:wu-ftpd:2.6.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "D851CEBD-4FE5-46D9-99BD-CA3F3235B2E6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The wu_fnmatch function in wu_fnmatch.c in wu-ftpd 2.6.1 and 2.6.2 allows remote attackers to cause a denial of service (CPU exhaustion by recursion) via a glob pattern with a large number of * (wildcard) characters, as demonstrated using the dir command."
    }
  ],
  "id": "CVE-2005-0256",
  "lastModified": "2026-06-16T22:10:47.510",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2005-05-02T04:00:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.63/SCOSA-2005.63.txt"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://itrc.hp.com/service/cki/docDisplay.do?docId=c00637342"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/14411"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/18210"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/19561"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://sunsolve.sun.com/search/document.do?assetkey=1-26-101699-1"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://sunsolve.sun.com/search/document.do?assetkey=1-26-57795-1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.debian.org/security/2005/dsa-705"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.idefense.com/application/poi/display?id=207\u0026type=vulnerabilities"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.osvdb.org/14203"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2005/0588"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2006/1271"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1265"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1333"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1762"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.63/SCOSA-2005.63.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://itrc.hp.com/service/cki/docDisplay.do?docId=c00637342"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/14411"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/18210"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/19561"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://sunsolve.sun.com/search/document.do?assetkey=1-26-101699-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://sunsolve.sun.com/search/document.do?assetkey=1-26-57795-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.debian.org/security/2005/dsa-705"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.idefense.com/application/poi/display?id=207\u0026type=vulnerabilities"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.osvdb.org/14203"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2005/0588"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2006/1271"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1265"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1333"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1762"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vendorComments": [
    {
      "comment": "Not vulnerable.  Red Hat Enterprise Linux 2.1 shipped with wu-ftpd, however we were unable to reproduce this issue.  Additionally, a code analysis showed that attempts to exploit this issue would be caught in the versions we shipped.\nhttp://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=149720",
      "lastModified": "2006-10-23T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "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

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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.
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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.