{
  "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" : "GnuTLS (GNU Transport Layer Security Library) ist eine im Quelltext frei verfügbare Bibliothek, die Secure Sockets Layer (SSL) und Transport Layer Security (TLS) implementiert.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in GnuTLS 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-2022-0920 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0920.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-0920 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0920"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5750-1 vom 2022-11-30",
      "url" : "https://ubuntu.com/security/notices/USN-5750-1"
    }, {
      "category" : "external",
      "summary" : "SuSE Security Advisory vom 2022-03-02",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010333.html"
    }, {
      "category" : "external",
      "summary" : "SuSE Security Advisory vom 2022-03-02",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010334.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:0717-1 vom 2022-03-04",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010350.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5550-1 vom 2022-08-04",
      "url" : "https://ubuntu.com/security/notices/USN-5550-1"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3070 vom 2022-08-12",
      "url" : "https://lists.debian.org/debian-lts-announce/2022/08/msg00002.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:2830-1 vom 2022-08-17",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-August/011930.html"
    }, {
      "category" : "external",
      "summary" : "NetApp Security Advisory NTAP-20220915-0005 vom 2022-09-15",
      "url" : "https://security.netapp.com/advisory/ntap-20220915-0005/"
    } ],
    "source_lang" : "en-US",
    "title" : "GnuTLS: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2022-11-29T23:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:32:50.097+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2022-0920",
      "initial_release_date" : "2022-03-02T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2022-03-02T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2022-03-06T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-05-02T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Referenz(en) aufgenommen: 0220677"
      }, {
        "date" : "2022-08-04T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-08-11T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2022-08-17T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-09-15T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von NetApp aufgenommen"
      }, {
        "date" : "2022-11-29T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      } ],
      "status" : "final",
      "version" : "8"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "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" : "NetApp ActiveIQ Unified Manager",
        "product" : {
          "name" : "NetApp ActiveIQ Unified Manager",
          "product_id" : "658714",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:netapp:active_iq_unified_manager:-::~~~vmware_vsphere~~"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "NetApp"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source GnuTLS",
        "product" : {
          "name" : "Open Source GnuTLS",
          "product_id" : "4409",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:gnu:gnutls:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "SUSE Linux",
        "product" : {
          "name" : "SUSE Linux",
          "product_id" : "T021836",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:suse_linux:enterprise_server_12"
          }
        }
      } ],
      "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-2021-4209",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle in GnuTLS aufgrund einer Nullzeiger Dereferenzierung in \"MD_UPDATE\". Ein authentisierter Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
    } ],
    "product_status" : {
      "known_affected" : [ "4409", "2951", "T000126", "658714", "T021836" ]
    },
    "release_date" : "2022-03-02T23:00:00.000+00:00",
    "title" : "CVE-2021-4209"
  } ]
}