{
  "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" : "Cyrus IMAPD ist ein Mail server, der IMAP, POP3, NNTP und Sieve Unterstützung bietet.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in cyrus imapd ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- UNIX",
      "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-2022-0389 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0389.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-0389 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0389"
    }, {
      "category" : "external",
      "summary" : "Cyrus IMAP 3.4.2 Release Notes vom 2021-08-31",
      "url" : "https://www.cyrusimap.org/imap/download/release-notes/3.4/x/3.4.2.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3493 vom 2021-09-13",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3493"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3492 vom 2021-09-13",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3492"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-3492 vom 2021-09-14",
      "url" : "http://linux.oracle.com/errata/ELSA-2021-3492.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3546 vom 2021-09-15",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3546"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2021-1725 vom 2021-12-10",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS-2021-1725.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2022-1559 vom 2022-01-20",
      "url" : "https://alas.aws.amazon.com/ALAS-2022-1559.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3052 vom 2022-06-20",
      "url" : "https://lists.debian.org/debian-lts-announce/2022/06/msg00013.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-7224-1 vom 2025-01-23",
      "url" : "https://ubuntu.com/security/notices/USN-7224-1"
    } ],
    "source_lang" : "en-US",
    "title" : "cyrus imapd: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2025-01-23T23:00:00.000+00:00",
      "generator" : {
        "date" : "2025-01-24T09:04:40.946+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.10"
        }
      },
      "id" : "WID-SEC-W-2022-0389",
      "initial_release_date" : "2021-08-31T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-08-31T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-09-12T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-09-13T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2021-09-14T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-12-09T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2022-01-19T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2022-02-10T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Referenz(en) aufgenommen: FEDORA-2022-C30B1A8AA3"
      }, {
        "date" : "2022-02-13T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Referenz(en) aufgenommen: FEDORA-2022-D45BCC5447"
      }, {
        "date" : "2022-06-19T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2025-01-23T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      } ],
      "status" : "final",
      "version" : "10"
    }
  },
  "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" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<3.4.2",
          "product" : {
            "name" : "Open Source cyrus imapd <3.4.2",
            "product_id" : "T020284"
          }
        }, {
          "category" : "product_version",
          "name" : "3.4.2",
          "product" : {
            "name" : "Open Source cyrus imapd 3.4.2",
            "product_id" : "T020284-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:cyrus:imap:3.4.2"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<3.2.8",
          "product" : {
            "name" : "Open Source cyrus imapd <3.2.8",
            "product_id" : "T020285"
          }
        }, {
          "category" : "product_version",
          "name" : "3.2.8",
          "product" : {
            "name" : "Open Source cyrus imapd 3.2.8",
            "product_id" : "T020285-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:cyrus:imap:3.2.8"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<3.0.16",
          "product" : {
            "name" : "Open Source cyrus imapd <3.0.16",
            "product_id" : "T020286"
          }
        }, {
          "category" : "product_version",
          "name" : "3.0.16",
          "product" : {
            "name" : "Open Source cyrus imapd 3.0.16",
            "product_id" : "T020286-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:cyrus:imap:3.0.16"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "cyrus imapd"
      } ],
      "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" : "vendor",
      "name" : "Red Hat"
    }, {
      "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-2021-33582",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle in cyrus imapd. Bestimmte Nutzereingaben werden als Hash-Table Keys genutzt. Aufgrund eines ungünstig gewählten Hashverfahrens kann durch die Eingabe bestimmt werden, in welchem \"Bucket\" die Eingabe gespeichert wird. Ein Angreifer kann durch speziell gestaltete Eingaben dafür sorgen, dass diese in demselben \"Bucket\" gespeichert werden. Bei einer großen Anzahl solcher Eingaben verbraucht der Dienst viele CPU Ressourcen, was zu einem Denial of Service Zustand führt."
    } ],
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "398363", "T004914", "T020286", "T020285", "T020284" ]
    },
    "release_date" : "2021-08-31T22:00:00.000+00:00",
    "title" : "CVE-2021-33582"
  } ]
}