{
  "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 f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "GnuTLS (GNU Transport Layer Security Library) ist eine im Quelltext frei verf\u00fcgbare 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 durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr 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 erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2022-11-29T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T16:54:47.855+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "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": "2022-03-02T23:00:00Z",
      "title": "CVE-2021-4209"
    }
  ]
}