FKIE_CVE-2014-4344

Vulnerability from fkie_nvd - Published: 2014-08-14 05:01 - Updated: 2026-06-17 00:09
Severity
Summary
The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty continuation token at a certain point during a SPNEGO negotiation.
References
cve@mitre.orghttp://advisories.mageia.org/MGASA-2014-0345.html
cve@mitre.orghttp://aix.software.ibm.com/aix/efixes/security/nas_advisory1.asc
cve@mitre.orghttp://krbdev.mit.edu/rt/Ticket/Display.html?id=7970Issue Tracking, Third Party Advisory
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2014-August/136360.html
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2015-0439.htmlThird Party Advisory
cve@mitre.orghttp://secunia.com/advisories/59102
cve@mitre.orghttp://secunia.com/advisories/60082
cve@mitre.orghttp://secunia.com/advisories/60448
cve@mitre.orghttp://secunia.com/advisories/61051
cve@mitre.orghttp://support.f5.com/kb/en-us/solutions/public/15000/500/sol15561.html
cve@mitre.orghttp://www.debian.org/security/2014/dsa-3000Third Party Advisory
cve@mitre.orghttp://www.mandriva.com/security/advisories?name=MDVSA-2014:165
cve@mitre.orghttp://www.osvdb.org/109389
cve@mitre.orghttp://www.securityfocus.com/bid/69160
cve@mitre.orghttp://www.securitytracker.com/id/1030706
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1121877
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/95210
cve@mitre.orghttps://github.com/krb5/krb5/commit/524688ce87a15fc75f87efc8c039ba4c7d5c197b
cve@mitre.orghttps://github.com/krb5/krb5/commit/a7886f0ed1277c69142b14a2c6629175a6331edcIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://advisories.mageia.org/MGASA-2014-0345.html
af854a3a-2127-422b-91ae-364da2661108http://aix.software.ibm.com/aix/efixes/security/nas_advisory1.asc
af854a3a-2127-422b-91ae-364da2661108http://krbdev.mit.edu/rt/Ticket/Display.html?id=7970Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136360.html
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2015-0439.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/59102
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/60082
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/60448
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/61051
af854a3a-2127-422b-91ae-364da2661108http://support.f5.com/kb/en-us/solutions/public/15000/500/sol15561.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2014/dsa-3000Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2014:165
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/109389
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/69160
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1030706
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1121877
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/95210
af854a3a-2127-422b-91ae-364da2661108https://github.com/krb5/krb5/commit/524688ce87a15fc75f87efc8c039ba4c7d5c197b
af854a3a-2127-422b-91ae-364da2661108https://github.com/krb5/krb5/commit/a7886f0ed1277c69142b14a2c6629175a6331edcIssue Tracking, Patch, Third Party Advisory
Impacted products
Vendor Product Version
debian debian_linux 7.0
redhat enterprise_linux_desktop 7.0
redhat enterprise_linux_hpc_node 7.0
redhat enterprise_linux_server 7.0
redhat enterprise_linux_workstation 7.0
mit kerberos_5 1.10
mit kerberos_5 1.10.1
mit kerberos_5 1.10.2
mit kerberos_5 1.10.3
mit kerberos_5 1.10.4
mit kerberos_5 1.11
mit kerberos_5 1.11.1
mit kerberos_5 1.11.2
mit kerberos_5 1.11.3
mit kerberos_5 1.11.4
mit kerberos_5 1.11.5
mit kerberos_5 1.12
mit kerberos_5 1.12.1
To clipboard 

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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty continuation token at a certain point during a SPNEGO negotiation."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n acc_ctx_cont en el aceptador SPNEGO en lib/gssapi/spnego/spnego_mech.c en MIT Kerberos 5 (tambi\u00e9n conocido como krb5) 1.5.x hasta 1.12.x anterior a 1.12.2 permite a atacantes remotos causar una denegaci\u00f3n de servicio (referencia a puntero nulo y ca\u00edda de la aplicaci\u00f3n) a trav\u00e9s de un token de continuaci\u00f3n vac\u00edo en cierto momento durante una negociaci\u00f3n SPNEGO."
    }
  ],
  "id": "CVE-2014-4344",
  "lastModified": "2026-06-17T00:09:50.253",
  "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": "2014-08-14T05:01:49.943",
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      "url": "http://advisories.mageia.org/MGASA-2014-0345.html"
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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