{
  "document" : {
    "aggregate_severity" : {
      "text" : "niedrig"
    },
    "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" : "Der Domain Name Service (DNS) ermöglicht die Umsetzung der Domainnamen in IP-Adressen. Zur Verhinderung von übermäßigen Anfragen werden die Zuordnungen häufig lokal in einem Cache gespeichert.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in PowerDNS ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- Sonstiges\n- UNIX\n- Windows",
      "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-2023-0842 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2023-0842.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-0842 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0842"
    }, {
      "category" : "external",
      "summary" : "PowerDNS Security Advisory vom 2022-03-27",
      "url" : "https://blog.powerdns.com/2022/03/25/security-advisory-2022-01-for-powerdns-authoritative-server-4-4-2-4-5-3-4-6-0-and-powerdns-recursor-4-4-7-4-5-7-4-6-0/"
    }, {
      "category" : "external",
      "summary" : "Arch Linux Security Advisory ASA-202204-11 vom 2022-04-15",
      "url" : "https://security.archlinux.org/ASA-202204-11"
    }, {
      "category" : "external",
      "summary" : "Arch Linux Security Advisory ASA-202204-10 vom 2022-04-15",
      "url" : "https://security.archlinux.org/ASA-202204-10"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-EPEL-2023-BB6F0BBA09 vom 2023-04-04",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-bb6f0bba09"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-EPEL-2023-D4A7C0E04E vom 2023-04-04",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-d4a7c0e04e"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-7203-1 vom 2025-01-14",
      "url" : "https://ubuntu.com/security/notices/USN-7203-1"
    } ],
    "source_lang" : "en-US",
    "title" : "PowerDNS: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2025-01-14T23:00:00.000+00:00",
      "generator" : {
        "date" : "2025-01-15T09:22:48.532+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.10"
        }
      },
      "id" : "WID-SEC-W-2023-0842",
      "initial_release_date" : "2022-03-27T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2022-03-27T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2022-04-18T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Arch Linux aufgenommen"
      }, {
        "date" : "2023-04-03T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2023-04-04T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2025-01-14T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      } ],
      "status" : "final",
      "version" : "5"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Fedora Linux",
        "product" : {
          "name" : "Fedora Linux",
          "product_id" : "74185",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:fedoraproject:fedora:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Fedora"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source Arch Linux",
        "product" : {
          "name" : "Open Source Arch Linux",
          "product_id" : "T013312",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:archlinux:archlinux:-"
          }
        }
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<4.4.3",
          "product" : {
            "name" : "Open Source PowerDNS <4.4.3",
            "product_id" : "T022420"
          }
        }, {
          "category" : "product_version",
          "name" : "4.4.3",
          "product" : {
            "name" : "Open Source PowerDNS 4.4.3",
            "product_id" : "T022420-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:powerdns:authoritative:4.4.3"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<4.5.4",
          "product" : {
            "name" : "Open Source PowerDNS <4.5.4",
            "product_id" : "T022421"
          }
        }, {
          "category" : "product_version",
          "name" : "4.5.4",
          "product" : {
            "name" : "Open Source PowerDNS 4.5.4",
            "product_id" : "T022421-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:powerdns:authoritative:4.5.4"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<4.6.1",
          "product" : {
            "name" : "Open Source PowerDNS <4.6.1",
            "product_id" : "T022422"
          }
        }, {
          "category" : "product_version",
          "name" : "4.6.1",
          "product" : {
            "name" : "Open Source PowerDNS 4.6.1",
            "product_id" : "T022422-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:powerdns:authoritative:4.6.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Recursor <4.4.8",
          "product" : {
            "name" : "Open Source PowerDNS Recursor <4.4.8",
            "product_id" : "T022433"
          }
        }, {
          "category" : "product_version",
          "name" : "Recursor 4.4.8",
          "product" : {
            "name" : "Open Source PowerDNS Recursor 4.4.8",
            "product_id" : "T022433-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:powerdns:authoritative:4.4.8::recursor"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Recursor <4.5.8",
          "product" : {
            "name" : "Open Source PowerDNS Recursor <4.5.8",
            "product_id" : "T022434"
          }
        }, {
          "category" : "product_version",
          "name" : "Recursor 4.5.8",
          "product" : {
            "name" : "Open Source PowerDNS Recursor 4.5.8",
            "product_id" : "T022434-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:powerdns:authoritative:4.5.8::recursor"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Recursor <4.6.1",
          "product" : {
            "name" : "Open Source PowerDNS Recursor <4.6.1",
            "product_id" : "T022435"
          }
        }, {
          "category" : "product_version",
          "name" : "Recursor 4.6.1",
          "product" : {
            "name" : "Open Source PowerDNS Recursor 4.6.1",
            "product_id" : "T022435-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:powerdns:authoritative:4.6.1::recursor"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "PowerDNS"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "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-2022-27227",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle in PowerDNS. Der Fehler besteht aufgrund einer unzureichenden Validierung einer eingehenden IXFR-Übertragung. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
    } ],
    "product_status" : {
      "known_affected" : [ "T022422", "T022433", "T022434", "T000126", "T022435", "T013312", "T022420", "T022421", "74185" ]
    },
    "release_date" : "2022-03-27T22:00:00.000+00:00",
    "title" : "CVE-2022-27227"
  } ]
}