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FKIE_CVE-2004-0644

Vulnerability from fkie_nvd - Published: 2004-09-28 04:00 - Updated: 2026-06-16 22:06
Severity
Summary
The asn1buf_skiptail function in the ASN.1 decoder library for MIT Kerberos 5 (krb5) 1.2.2 through 1.3.4 allows remote attackers to cause a denial of service (infinite loop) via a certain BER encoding.
References
cve@mitre.orghttp://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000860
cve@mitre.orghttp://marc.info/?l=bugtraq&m=109508872524753&w=2
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2004-350.html
cve@mitre.orghttp://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2004-003-asn1.txt
cve@mitre.orghttp://www.debian.org/security/2004/dsa-543
cve@mitre.orghttp://www.gentoo.org/security/en/glsa/glsa-200409-09.xmlPatch, Vendor Advisory
cve@mitre.orghttp://www.kb.cert.org/vuls/id/550464US Government Resource
cve@mitre.orghttp://www.securityfocus.com/bid/11079
cve@mitre.orghttp://www.trustix.net/errata/2004/0045/Patch, Vendor Advisory
cve@mitre.orghttp://www.us-cert.gov/cas/techalerts/TA04-247A.htmlUS Government Resource
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/17160
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10014
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2139
af854a3a-2127-422b-91ae-364da2661108http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000860
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=109508872524753&w=2
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2004-350.html
af854a3a-2127-422b-91ae-364da2661108http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2004-003-asn1.txt
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2004/dsa-543
af854a3a-2127-422b-91ae-364da2661108http://www.gentoo.org/security/en/glsa/glsa-200409-09.xmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/550464US Government Resource
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/11079
af854a3a-2127-422b-91ae-364da2661108http://www.trustix.net/errata/2004/0045/Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/cas/techalerts/TA04-247A.htmlUS Government Resource
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/17160
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10014
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2139
Impacted products
Vendor Product Version
mit kerberos_5 1.2.2
mit kerberos_5 1.2.3
mit kerberos_5 1.2.4
mit kerberos_5 1.2.5
mit kerberos_5 1.2.6
mit kerberos_5 1.2.7
mit kerberos_5 1.2.8
mit kerberos_5 1.3
mit kerberos_5 1.3
mit kerberos_5 1.3.1
mit kerberos_5 1.3.2
mit kerberos_5 1.3.3
mit kerberos_5 1.3.4
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The asn1buf_skiptail function in the ASN.1 decoder library for MIT Kerberos 5 (krb5) 1.2.2 through 1.3.4 allows remote attackers to cause a denial of service (infinite loop) via a certain BER encoding."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n asn1buf_skiptail de la librer\u00eda de decodificaci\u00f3n de ASN.1 de MIT Kerberos 5 (krb5) 1.2.2 a 1.3.4 permite a atacantes remotos causar una denegaci\u00f3n de servicio (bucle infinito) mediante cierta codificaci\u00f3n BER."
    }
  ],
  "id": "CVE-2004-0644",
  "lastModified": "2026-06-16T22:06:04.810",
  "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
      }
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  },
  "published": "2004-09-28T04:00:00.000",
  "references": [
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      "url": "http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000860"
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      "url": "http://rhn.redhat.com/errata/RHSA-2004-350.html"
    },
    {
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      "url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2004-003-asn1.txt"
    },
    {
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    {
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      "url": "http://www.gentoo.org/security/en/glsa/glsa-200409-09.xml"
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "NVD-CWE-Other"
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      ],
      "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.


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.