{
  "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 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."
    }, {
      "category" : "description",
      "text" : "Avahi ist die Implementierung einer Technik zur Vernetzung von Geräten in einem lokalen Netzwerk, ohne dass diese manuell konfiguriert werden müssen.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein lokaler Angreifer kann eine Schwachstelle in avahi ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- UNIX\n- Linux",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2022-0143 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0143.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-0143 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0143"
    }, {
      "category" : "external",
      "summary" : "Github - Avahi Security Advisory vom 2021-06-03",
      "url" : "https://github.com/lathiat/avahi/pull/330"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Advisory SUSE-SU-2021:1494-2 vom 2021-06-03",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008929.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugzilla - Bug 1939614 vom 2021-06-03",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1939614"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1493-2 vom 2021-06-04",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008937.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5008-1 vom 2021-07-07",
      "url" : "https://ubuntu.com/security/notices/USN-5008-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5008-2 vom 2021-07-07",
      "url" : "https://ubuntu.com/security/notices/USN-5008-2"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3047 vom 2022-06-07",
      "url" : "https://lists.debian.org/debian-lts-announce/2022/06/msg00009.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3466 vom 2023-06-22",
      "url" : "https://lists.debian.org/debian-lts-announce/2023/06/msg00028.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:6707 vom 2023-11-07",
      "url" : "https://access.redhat.com/errata/RHSA-2023:6707"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2023-2372 vom 2023-12-05",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS-2023-2372.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:7836 vom 2023-12-14",
      "url" : "https://access.redhat.com/errata/RHSA-2023:7836"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2023-7836 vom 2023-12-18",
      "url" : "https://linux.oracle.com/errata/ELSA-2023-7836.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2024:0097 vom 2024-01-10",
      "url" : "https://access.redhat.com/errata/RHSA-2024:0097"
    }, {
      "category" : "external",
      "summary" : "RedHat Security Advisory",
      "url" : "https://access.redhat.com/errata/RHSA-2024:0418"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2024:0576 vom 2024-01-30",
      "url" : "https://access.redhat.com/errata/RHSA-2024:0576"
    } ],
    "source_lang" : "en-US",
    "title" : "avahi: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2024-01-30T23:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:26:50.288+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2022-0143",
      "initial_release_date" : "2021-06-03T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-06-03T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-06-06T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-07-07T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-06-07T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2023-06-21T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2023-11-07T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2023-12-04T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2023-12-14T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2023-12-17T23:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2024-01-09T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2024-01-24T23:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2024-01-30T23:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      } ],
      "status" : "final",
      "version" : "12"
    }
  },
  "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" : "Open Source avahi",
        "product" : {
          "name" : "Open Source avahi",
          "product_id" : "395904",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avahi:avahi:0.1"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "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" : "product_name",
        "name" : "Red Hat Single Sign On < 7.6.6",
        "product" : {
          "name" : "Red Hat Single Sign On < 7.6.6",
          "product_id" : "T031713",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:redhat:single_sign_on:7.6.6"
          }
        }
      } ],
      "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-2021-3468",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle in avahi. Der \"avahi-deamon\" schreibt überlange Zeilen in \"/run/avahi-daemon/socket\". Ein lokaler Angreifer kann dies ausnutzen, um einen Denial-of-Service-Zustand auszulösen."
    } ],
    "product_status" : {
      "known_affected" : [ "2951", "T002207", "67646", "T000126", "T031713", "398363", "T004914", "395904" ]
    },
    "release_date" : "2021-06-03T22:00:00.000+00:00",
    "title" : "CVE-2021-3468"
  } ]
}