wid-sec-w-2023-1973
Vulnerability from csaf_certbund
Published
2023-08-07 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, authentisierter Angreifer kann eine Schwachstelle in MIT Kerberos ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux - MacOS X - Sonstiges - 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, authentisierter Angreifer kann eine Schwachstelle in MIT Kerberos ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- MacOS X\n- Sonstiges\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-2023-1973 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1973.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1973 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1973"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory - MIT Kerberos 5 - GHSA-39q6-4vrm-fv3g vom 2023-08-07",
        "url": "https://github.com/advisories/GHSA-39q6-4vrm-fv3g"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3325-1 vom 2023-08-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015909.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3363-1 vom 2023-08-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015961.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3365-1 vom 2023-08-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015966.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3398-1 vom 2023-08-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/016010.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3434-1 vom 2023-08-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/016024.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3471-1 vom 2023-09-02",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016078.html"
      },
      {
        "category": "external",
        "summary": "NetApp Security Advisory NTAP-20230908-0004 vom 2023-09-08",
        "url": "https://security.netapp.com/advisory/ntap-20230908-0004/"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-2225 vom 2023-09-08",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-2225.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-1818 vom 2023-09-11",
        "url": "https://alas.aws.amazon.com/ALAS-2023-1818.html"
      },
      {
        "category": "external",
        "summary": "XEROX Security Advisory XRX24-004 vom 2024-03-04",
        "url": "https://security.business.xerox.com/wp-content/uploads/2024/03/Xerox%C2%AE-Security-Bulletin-XRX24-004-Xerox%C2%AE-FreeFlow%C2%AE-Print-Server-v7.pdf"
      },
      {
        "category": "external",
        "summary": "XEROX Security Advisory XRX24-005 vom 2024-03-04",
        "url": "https://security.business.xerox.com/wp-content/uploads/2024/03/Xerox-Security-Bulletin-XRX24-005-Xerox-FreeFlow%C2%AE-Print-Server-v9_Feb-2024.pdf"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3626 vom 2023-10-22",
        "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00031.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6467-1 vom 2023-11-01",
        "url": "https://ubuntu.com/security/notices/USN-6467-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6467-2 vom 2023-11-06",
        "url": "https://ubuntu.com/security/notices/USN-6467-2"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:6699 vom 2023-11-07",
        "url": "https://access.redhat.com/errata/RHSA-2023:6699"
      },
      {
        "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": "2024-05-06T08:33:53.333+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-1973",
      "initial_release_date": "2023-08-07T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-08-07T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-08-15T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-20T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-23T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-24T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-03T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-10T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von NetApp und Amazon aufgenommen"
        },
        {
          "date": "2023-10-22T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-10-31T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-05T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-07T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-03-03T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von XEROX aufgenommen"
        },
        {
          "date": "2024-05-05T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Gentoo aufgenommen"
        }
      ],
      "status": "final",
      "version": "13"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Amazon Linux 2",
            "product": {
              "name": "Amazon Linux 2",
              "product_id": "398363",
              "product_identification_helper": {
                "cpe": "cpe:/o:amazon:linux_2:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Amazon"
      },
      {
        "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": "\u003c1.20.2",
                "product": {
                  "name": "MIT Kerberos \u003c1.20.2",
                  "product_id": "T029109",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:mit:kerberos:1.20.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c1.21.1",
                "product": {
                  "name": "MIT Kerberos \u003c1.21.1",
                  "product_id": "T029110",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:mit:kerberos:1.21.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Kerberos"
          }
        ],
        "category": "vendor",
        "name": "MIT"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "for VMware vSphere",
                "product": {
                  "name": "NetApp ActiveIQ Unified Manager for VMware vSphere",
                  "product_id": "T025152",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:netapp:active_iq_unified_manager:for_vmware_vsphere"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "ActiveIQ Unified Manager"
          },
          {
            "category": "product_name",
            "name": "NetApp Data ONTAP",
            "product": {
              "name": "NetApp Data ONTAP",
              "product_id": "7654",
              "product_identification_helper": {
                "cpe": "cpe:/a:netapp:data_ontap:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "NetApp"
      },
      {
        "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"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "v7",
                "product": {
                  "name": "Xerox FreeFlow Print Server v7",
                  "product_id": "T015631",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:xerox:freeflow_print_server:v7"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "v9",
                "product": {
                  "name": "Xerox FreeFlow Print Server v9",
                  "product_id": "T015632",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:xerox:freeflow_print_server:v9"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "FreeFlow Print Server"
          }
        ],
        "category": "vendor",
        "name": "Xerox"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-36054",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in MIT Kerberos. Dieser Fehler besteht in der Datei lib/kadm5/kadm_rpc_xdr.c aufgrund der Funktion \"_xdr_kadm5_principal_ent_rec\", die die Beziehung zwischen der Variablen \"n_key_data\" und der Anzahl des Arrays \"key_data\" nicht ordnungsgem\u00e4\u00df validiert. Ein entfernter, authentifizierter Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T025152",
          "2951",
          "T002207",
          "67646",
          "T000126",
          "7654",
          "398363",
          "T015632",
          "T012167",
          "T015631"
        ]
      },
      "release_date": "2023-08-07T22:00:00Z",
      "title": "CVE-2023-36054"
    }
  ]
}


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