CVE-2012-1013 (GCVE-0-2012-1013)

Vulnerability from cvelistv5 – Published: 2012-06-07 19:00 – Updated: 2024-08-06 18:45
VLAI
Summary
The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public
2012-05-31 00:00
Show details on NVD website
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                    "criteria": "cpe:2.3:a:mit:kerberos_5:1.9.2:*:*:*:*:*:*:*",
                    "matchCriteriaId": "91A2D7F5-EBDE-4000-AC78-8DD6472E685A",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:mit:kerberos_5:1.9.3:*:*:*:*:*:*:*",
                    "matchCriteriaId": "8E92BFA5-723E-4843-A8D8-BC1D32F34569",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:mit:kerberos_5:1.10:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FC504264-A9E9-4433-B7AA-6D5015A93FF3",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:mit:kerberos_5:1.10.1:*:*:*:*:*:*:*",
                    "matchCriteriaId": "77FA352F-520C-4C05-AD52-FC8586DB16B1",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n check_1_6_dummy en lib/kadm5/srv/svr_principal.c en kadmind en MIT Kerberos 5 (tambi\u00e9n conocido como krb5) v1.8.x, v1.9.x y v1.10.x antes de v1.10.2 permite provocar una denegaci\u00f3n de servicio (eliminaci\u00f3n de referencia a puntero NULL y ca\u00edda del demonio) a los administradores remotos autenticados a trav\u00e9s de una solicitud de creaci\u00f3n KRB5_KDB_DISALLOW_ALL_TIX que carece de contrase\u00f1a."
          }
        ],
        "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\r\n\u0027CWE-476: NULL Pointer Dereference\u0027",
        "id": "CVE-2012-1013",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 4.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 8.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2012-06-07T19:55:07.930",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest\u0026pass=guest\u0026id=7152"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://rhn.redhat.com/errata/RHSA-2012-1131.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://web.mit.edu/kerberos/krb5-1.10/"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:102"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securityfocus.com/bid/53784"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=827517"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Exploit",
              "Patch"
            ],
            "url": "https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://hermes.opensuse.org/messages/15083635"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest\u0026pass=guest\u0026id=7152"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://rhn.redhat.com/errata/RHSA-2012-1131.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://web.mit.edu/kerberos/krb5-1.10/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:102"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/53784"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=827517"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Patch"
            ],
            "url": "https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://hermes.opensuse.org/messages/15083635"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-Other"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T12:52:59+00:00",
      "cve": "CVE-2012-1013",
      "id": "CVE-2012-1013",
      "initial_release_date": "2012-06-01T00:00:00+00:00",
      "product_status:fixed": "222",
      "product_status:known_not_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "krb5: kadmind denial of service",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-1013.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-27T02:10:33Z",
      "cve": "CVE-2012-1013",
      "id": "CVE-2012-1013",
      "initial_release_date": "2023-02-15T05:48:22Z",
      "product_status:recommended": "228",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-1013",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-1013.json",
      "version": "18"
    }
  }
}



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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.
  • 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.