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CVE-2010-1321 (GCVE-0-2010-1321)

Vulnerability from cvelistv5 – Published: 2010-05-19 18:13 – Updated: 2024-08-07 01:21
VLAI
Summary
The kg_accept_krb5 function in krb5/accept_sec_context.c in the GSS-API library in MIT Kerberos 5 (aka krb5) through 1.7.1 and 1.8 before 1.8.2, as used in kadmind and other applications, does not properly check for invalid GSS-API tokens, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an AP-REQ message in which the authenticator's checksum field is missing.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/39818 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2011/0134 vdb-entryx_refsource_VUPEN
http://support.avaya.com/css/P8/documents/100114315 x_refsource_CONFIRM
http://secunia.com/advisories/39784 third-party-advisoryx_refsource_SECUNIA
http://www.ubuntu.com/usn/USN-940-1 vendor-advisoryx_refsource_UBUNTU
http://marc.info/?l=bugtraq&m=134254866602253&w=2 vendor-advisoryx_refsource_HP
http://www.securityfocus.com/archive/1/511331/100… mailing-listx_refsource_BUGTRAQ
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.us-cert.gov/cas/techalerts/TA11-201A.html third-party-advisoryx_refsource_CERT
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.redhat.com/support/errata/RHSA-2010-07… vendor-advisoryx_refsource_REDHAT
http://secunia.com/advisories/40685 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/40235 vdb-entryx_refsource_BID
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.vupen.com/english/advisories/2010/1574 vdb-entryx_refsource_VUPEN
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://www.vupen.com/english/advisories/2010/1192 vdb-entryx_refsource_VUPEN
http://secunia.com/advisories/39799 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2010/1196 vdb-entryx_refsource_VUPEN
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://h20000.www2.hp.com/bizsupport/TechSupport/… vendor-advisoryx_refsource_HP
http://secunia.com/advisories/39849 third-party-advisoryx_refsource_SECUNIA
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.redhat.com/support/errata/RHSA-2010-09… vendor-advisoryx_refsource_REDHAT
http://secunia.com/advisories/44954 third-party-advisoryx_refsource_SECUNIA
http://www.ubuntu.com/usn/USN-940-2 vendor-advisoryx_refsource_UBUNTU
http://secunia.com/advisories/42432 third-party-advisoryx_refsource_SECUNIA
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://secunia.com/advisories/39762 third-party-advisoryx_refsource_SECUNIA
http://www.redhat.com/support/errata/RHSA-2011-08… vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://web.mit.edu/kerberos/advisories/MITKRB5-SA… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.redhat.com/support/errata/RHSA-2010-08… vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.vupen.com/english/advisories/2010/1177 vdb-entryx_refsource_VUPEN
http://www.vmware.com/security/advisories/VMSA-20… x_refsource_CONFIRM
http://secunia.com/advisories/42974 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2010/3112 vdb-entryx_refsource_VUPEN
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.us-cert.gov/cas/techalerts/TA10-287A.html third-party-advisoryx_refsource_CERT
http://secunia.com/advisories/43335 third-party-advisoryx_refsource_SECUNIA
http://www.debian.org/security/2010/dsa-2052 vendor-advisoryx_refsource_DEBIAN
http://www.redhat.com/support/errata/RHSA-2010-04… vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.vupen.com/english/advisories/2010/1882 vdb-entryx_refsource_VUPEN
http://www.redhat.com/support/errata/RHSA-2011-01… vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.securityfocus.com/archive/1/516397/100… mailing-listx_refsource_BUGTRAQ
http://secunia.com/advisories/40346 third-party-advisoryx_refsource_SECUNIA
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://secunia.com/advisories/41967 third-party-advisoryx_refsource_SECUNIA
http://www.redhat.com/support/errata/RHSA-2010-08… vendor-advisoryx_refsource_REDHAT
http://www.redhat.com/support/errata/RHSA-2010-09… vendor-advisoryx_refsource_REDHAT
http://osvdb.org/64744 vdb-entryx_refsource_OSVDB
http://www.vupen.com/english/advisories/2010/1222 vdb-entryx_refsource_VUPEN
http://www.vupen.com/english/advisories/2010/1193 vdb-entryx_refsource_VUPEN
Date Public
2010-05-18 00:00
Show details on NVD website

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          "value": "The kg_accept_krb5 function in krb5/accept_sec_context.c in the GSS-API library in MIT Kerberos 5 (aka krb5) through 1.7.1 and 1.8 before 1.8.2, as used in kadmind and other applications, does not properly check for invalid GSS-API tokens, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an AP-REQ message in which the authenticator\u0027s checksum field is missing."
        },
        {
          "lang": "es",
          "value": "Vulnerabilidad en la funci\u00f3n \"kg_accept_krb5\" en  \"krb5/accept_sec_context.c\" de la librer\u00eda GSS-API en MIT Kerberos v5 (tambi\u00e9n conocido como krb5) a trav\u00e9s de v1.7.1 y v1.8 anterior a v1.8.2, como los usados en \"kadmind\" y otras aplicaciones, no comprueban adecuadamente vales (tokens) GSS-API inv\u00e1lidos, que permiten a usuarios autenticados remotamente causar una denegaci\u00f3n de servicio (referencia a puntero nulo y ca\u00edda del demonio) a trav\u00e9s de un mensaje AP-REQ en el cual se pierde el campo \"checksum\" del usuario autenticado."
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              "accessVector": "NETWORK",
              "authentication": "SINGLE",
              "availabilityImpact": "COMPLETE",
              "baseScore": 6.8,
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C",
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            "value": "The kg_accept_krb5 function in krb5/accept_sec_context.c in the GSS-API library in MIT Kerberos 5 (aka krb5) through 1.7.1 and 1.8 before 1.8.2, as used in kadmind and other applications, does not properly check for invalid GSS-API tokens, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an AP-REQ message in which the authenticator\u0027s checksum field is missing."
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            "value": "Vulnerabilidad en la funci\u00f3n \"kg_accept_krb5\" en  \"krb5/accept_sec_context.c\" de la librer\u00eda GSS-API en MIT Kerberos v5 (tambi\u00e9n conocido como krb5) a trav\u00e9s de v1.7.1 y v1.8 anterior a v1.8.2, como los usados en \"kadmind\" y otras aplicaciones, no comprueban adecuadamente vales (tokens) GSS-API inv\u00e1lidos, que permiten a usuarios autenticados remotamente causar una denegaci\u00f3n de servicio (referencia a puntero nulo y ca\u00edda del demonio) a trav\u00e9s de un mensaje AP-REQ en el cual se pierde el campo \"checksum\" del usuario autenticado."
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              "acInsufInfo": false,
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                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 6.8,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C",
                "version": "2.0"
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              "exploitabilityScore": 8.0,
              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
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          },
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          },
          {
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            ],
            "url": "http://www.redhat.com/support/errata/RHSA-2010-0873.html"
          },
          {
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            "url": "http://www.redhat.com/support/errata/RHSA-2010-0935.html"
          },
          {
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            ],
            "url": "http://www.redhat.com/support/errata/RHSA-2010-0987.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            ],
            "url": "http://www.redhat.com/support/errata/RHSA-2011-0152.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "http://www.redhat.com/support/errata/RHSA-2011-0880.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            "url": "http://www.securityfocus.com/archive/1/511331/100/0/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            "url": "http://www.securityfocus.com/archive/1/516397/100/0/threaded"
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          {
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            "tags": [
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            "url": "http://www.securityfocus.com/bid/40235"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.ubuntu.com/usn/USN-940-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            "url": "http://www.ubuntu.com/usn/USN-940-2"
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
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            "url": "http://www.us-cert.gov/cas/techalerts/TA10-287A.html"
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            "url": "http://www.us-cert.gov/cas/techalerts/TA11-201A.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            "url": "http://www.vmware.com/security/advisories/VMSA-2011-0003.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "http://www.vupen.com/english/advisories/2010/1177"
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          {
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            "url": "http://www.vupen.com/english/advisories/2010/1192"
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          },
          {
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            "url": "http://www.vupen.com/english/advisories/2010/1196"
          },
          {
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            "url": "http://www.vupen.com/english/advisories/2010/1222"
          },
          {
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            "url": "http://www.vupen.com/english/advisories/2010/1574"
          },
          {
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            "url": "http://www.vupen.com/english/advisories/2010/1882"
          },
          {
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          },
          {
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            "url": "http://www.vupen.com/english/advisories/2011/0134"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Broken Link",
              "Third Party Advisory"
            ],
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11604"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Broken Link",
              "Third Party Advisory"
            ],
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7198"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Broken Link",
              "Third Party Advisory"
            ],
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7450"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-28T07:12:41+00:00",
      "cve": "CVE-2010-1321",
      "id": "CVE-2010-1321",
      "initial_release_date": "2010-05-18T00:00:00+00:00",
      "product_status:fixed": "893",
      "product_status:known_not_affected": "8",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "krb5: null pointer dereference in GSS-API library leads to DoS (MITKRB5-SA-2010-005)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2010/cve-2010-1321.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-05T01:31:49Z",
      "cve": "CVE-2010-1321",
      "id": "CVE-2010-1321",
      "initial_release_date": "2023-02-15T05:59:45Z",
      "product_status:known_affected": "48",
      "product_status:recommended": "349",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2010-1321",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2010-1321.json",
      "version": "21"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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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.


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