wid-sec-w-2022-0399
Vulnerability from csaf_certbund
Published
2021-07-19 22:00
Modified
2024-05-05 22:00
Summary
MIT Kerberos: Schwachstelle ermöglicht Denial of Service

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Kerberos ist ein verteilter Netzwerkdienst zur Authentifizierung. MIT Kerberos ist die freie Implementierung des "Kerberos network authentication protocol", des Massachusetts Institute of Technology (MIT).
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in MIT Kerberos ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux - UNIX - Windows


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Kerberos ist ein verteilter Netzwerkdienst zur Authentifizierung. MIT Kerberos ist die freie Implementierung des \"Kerberos network authentication protocol\", des Massachusetts Institute of Technology (MIT).",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in MIT Kerberos ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2022-0399 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0399.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0399 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0399"
      },
      {
        "category": "external",
        "summary": "AVAYA Security Advisory ASA-2021-121 vom 2021-10-19",
        "url": "https://downloads.avaya.com/css/P8/documents/101078218"
      },
      {
        "category": "external",
        "summary": "Guthub KRB5 vom 2021-07-19",
        "url": "https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4944 vom 2021-07-25",
        "url": "https://www.debian.org/security/2021/dsa-4944"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2800-1 vom 2021-08-20",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-August/009316.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3576 vom 2021-09-21",
        "url": "https://access.redhat.com/errata/RHSA-2021:3576"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-3576 vom 2021-09-23",
        "url": "http://linux.oracle.com/errata/ELSA-2021-3576.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3653 vom 2021-09-23",
        "url": "https://access.redhat.com/errata/RHSA-2021:3653"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3694 vom 2021-09-29",
        "url": "https://access.redhat.com/errata/RHSA-2021:3694"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3851 vom 2021-10-14",
        "url": "https://access.redhat.com/errata/RHSA-2021:3851"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3873 vom 2021-10-15",
        "url": "https://access.redhat.com/errata/RHSA-2021:3873"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4104 vom 2021-11-02",
        "url": "https://access.redhat.com/errata/RHSA-2021:4104"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4848 vom 2021-11-29",
        "url": "https://access.redhat.com/errata/RHSA-2021:4848"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:2134-1 vom 2022-06-20",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-June/011316.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0283-1 vom 2022-02-01",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010164.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0751-1 vom 2022-03-08",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010387.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:0056 vom 2022-03-10",
        "url": "https://access.redhat.com/errata/RHSA-2022:0056"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:1396-1 vom 2022-04-25",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-April/010822.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5959-1 vom 2023-03-17",
        "url": "https://ubuntu.com/security/notices/USN-5959-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0196-1 vom 2024-01-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-January/017743.html"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202405-11 vom 2024-05-05",
        "url": "https://security.gentoo.org/glsa/202405-11"
      }
    ],
    "source_lang": "en-US",
    "title": "MIT Kerberos: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-05-05T22:00:00.000+00:00",
      "generator": {
        "date": "2024-05-06T08:34:26.316+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-0399",
      "initial_release_date": "2021-07-19T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-07-19T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-07-25T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-08-22T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-09-20T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-09-22T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-09-23T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-09-29T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-10-13T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-10-14T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-10-20T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von AVAYA aufgenommen"
        },
        {
          "date": "2021-11-02T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-11-29T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-02-01T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-03-08T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-03-10T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-04-25T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-06-20T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-03-16T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-01-23T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-05-05T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von Gentoo aufgenommen"
        }
      ],
      "status": "final",
      "version": "20"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Avaya Aura Experience Portal",
            "product": {
              "name": "Avaya Aura Experience Portal",
              "product_id": "T015519",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:aura_experience_portal:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Avaya"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "2951",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Gentoo Linux",
            "product": {
              "name": "Gentoo Linux",
              "product_id": "T012167",
              "product_identification_helper": {
                "cpe": "cpe:/o:gentoo:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Gentoo"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c1.19.1-14",
                "product": {
                  "name": "MIT Kerberos \u003c1.19.1-14",
                  "product_id": "7236",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:mit:kerberos:-"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Kerberos"
          }
        ],
        "category": "vendor",
        "name": "MIT"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Oracle Linux",
            "product": {
              "name": "Oracle Linux",
              "product_id": "T004914",
              "product_identification_helper": {
                "cpe": "cpe:/o:oracle:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Oracle"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-36222",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in MIT Kerberos. Der Fehler besteht aufgrund einer Null-Dereferenz, wenn ein Request mit einer \"PA-ENCRYPTED-CHALLENGE\" ohne die Verwendung von FAST gesendet wird. Ein entfernter anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand auszul\u00f6sen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T015519",
          "2951",
          "T002207",
          "67646",
          "T000126",
          "T012167",
          "T004914"
        ]
      },
      "release_date": "2021-07-19T22:00:00Z",
      "title": "CVE-2021-36222"
    }
  ]
}


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