{
  "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" : "- 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-2023-1071 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1071.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-1071 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1071"
    }, {
      "category" : "external",
      "summary" : "RedHat Bugzilla vom 2023-04-24",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2185911"
    }, {
      "category" : "external",
      "summary" : "SuSE Announcement ID: SUSE-SU-2023:1956-1",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014559.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:1994-1 vom 2023-04-25",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014576.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:1993-1 vom 2023-04-25",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014577.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3414 vom 2023-05-03",
      "url" : "https://lists.debian.org/debian-lts-announce/2023/05/msg00004.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6129-1 vom 2023-06-01",
      "url" : "https://ubuntu.com/security/notices/USN-6129-1"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2-2023-2161 vom 2023-07-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS-2023-2161.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6129-2 vom 2023-07-25",
      "url" : "https://ubuntu.com/security/notices/USN-6129-2"
    }, {
      "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" : "Red Hat Security Advisory RHSA-2023:7190 vom 2023-11-15",
      "url" : "https://access.redhat.com/errata/RHSA-2023:7190"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3990 vom 2024-12-09",
      "url" : "https://lists.debian.org/debian-lts-announce/2024/12/msg00011.html"
    }, {
      "category" : "external",
      "summary" : "Dell Security Advisory DSA-2023-268 vom 2025-11-06",
      "url" : "https://www.dell.com/support/kbdoc/de-de/000216397/dsa-2023-268-security-update-for-dell-avamar-dell-networker-virtual-edition-nve-and-dell-powerprotect-dp-series-appliance-dell-integrated-data-protection-appliance-idpa-security-update-for-multiple-vulnerabilities"
    } ],
    "source_lang" : "en-US",
    "title" : "avahi: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2025-11-06T23:00:00.000+00:00",
      "generator" : {
        "date" : "2025-11-07T08:58:21.791+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.4.0"
        }
      },
      "id" : "WID-SEC-W-2023-1071",
      "initial_release_date" : "2023-04-24T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2023-04-24T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2023-05-02T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2023-06-01T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-07-25T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Amazon und Ubuntu aufgenommen"
      }, {
        "date" : "2023-11-07T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2023-11-14T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2024-12-09T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2025-11-06T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Dell aufgenommen"
      } ],
      "status" : "final",
      "version" : "8"
    }
  },
  "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" : "Dell Avamar",
        "product" : {
          "name" : "Dell Avamar",
          "product_id" : "T039664",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:dell:avamar:-"
          }
        }
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "Virtual Edition",
          "product" : {
            "name" : "Dell NetWorker Virtual Edition",
            "product_id" : "T048226",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:dell:networker:virtual_edition"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "NetWorker"
      } ],
      "category" : "vendor",
      "name" : "Dell"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source avahi",
        "product" : {
          "name" : "Open Source avahi",
          "product_id" : "T017241",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avahi:avahi:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "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-2023-1981",
    "product_status" : {
      "known_affected" : [ "2951", "T002207", "67646", "T000126", "398363", "T017241", "T048226", "T039664" ]
    },
    "release_date" : "2023-04-24T22:00:00.000+00:00",
    "title" : "CVE-2023-1981"
  } ]
}