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krb5 — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2012-1013

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.

Products
krb5
Affected versions
Not specified
Fixed versions
1.10.1+dfsg-3
CVEs
CVE-2012-1013
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 22:45 UTC · Revision 1

Source evidence

DEBIAN-CVE-2012-1013

core-osv · Original source

Published 7 Jun 2012, 19:55 UTC

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.

osv:DEBIAN-CVE-2012-1013

krb5

Fixed versions: 1.10.1+dfsg-3

krb5

Fixed versions: 1.10.1+dfsg-3

krb5

Fixed versions: 1.10.1+dfsg-3

Complete source record
{
  "id": "095138fb991f1d2633825d820ec4b18a9df1a03d97adc863d77332585f367044",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2012-1013",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2012-1013",
    "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.",
    "evidence": "osv:DEBIAN-CVE-2012-1013",
    "products": [
      {
        "name": {
          "value": "krb5",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.10.1+dfsg-3",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "krb5",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.10.1+dfsg-3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "krb5",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.10.1+dfsg-3",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2012-1013",
      "aliases": [
        "DEBIAN-CVE-2012-1013"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.10.1+dfsg-3"
                }
              ]
            }
          ],
          "package": {
            "name": "krb5",
            "purl": "pkg:deb/debian/krb5?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-1013.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.10.1+dfsg-3"
                }
              ]
            }
          ],
          "package": {
            "name": "krb5",
            "purl": "pkg:deb/debian/krb5?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-1013.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.10.1+dfsg-3"
                }
              ]
            }
          ],
          "package": {
            "name": "krb5",
            "purl": "pkg:deb/debian/krb5?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-1013.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        }
      ],
      "modified": "2026-10-23T17:47:29.066696041Z",
      "provider": "osv",
      "upstream": [
        "CVE-2012-1013"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2012-1013"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2012-1013",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 417182,
  "published_at": "2012-06-07T19:55:07.93+00:00"
}