{
  "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": "Die GNU libc ist die Basis C Bibliothek unter Linux sowie anderen Unix-Betriebssystemen, welche die Systemaufrufe sowie Basisfunktionalit\u00e4t bereitstellt.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in GNU libc ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- 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-2022-1751 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-1751.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-1751 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1751"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-2371 vom 2023-12-05",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-2371.html"
      },
      {
        "category": "external",
        "summary": "National Vulnerability Database CVE-2021-33574 vom 2021-05-25",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33574"
      },
      {
        "category": "external",
        "summary": "NetApp Security Advisory NTAP-20210629-0005 vom 2021-06-29",
        "url": "https://security.netapp.com/advisory/ntap-20210629-0005/"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202107-07 vom 2021-07-06",
        "url": "https://security.gentoo.org/glsa/202107-07"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:14822-1 vom 2021-10-04",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009532.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3291-1 vom 2021-10-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009539.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3289-1 vom 2021-10-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009546.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3290-1 vom 2021-10-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009543.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3385-1 vom 2021-10-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009579.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4358 vom 2021-11-09",
        "url": "https://access.redhat.com/errata/RHSA-2021:4358"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9560 vom 2021-11-23",
        "url": "https://linux.oracle.com/errata/ELSA-2021-9560.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4848 vom 2021-11-29",
        "url": "https://access.redhat.com/errata/RHSA-2021:4848"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4845 vom 2021-11-29",
        "url": "https://access.redhat.com/errata/RHSA-2021:4845"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:0318 vom 2022-01-27",
        "url": "https://access.redhat.com/errata/RHSA-2022:0318"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2022-1736 vom 2022-01-27",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2022-1736.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:0434 vom 2022-02-04",
        "url": "https://access.redhat.com/errata/RHSA-2022:0434"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:0856 vom 2022-03-14",
        "url": "https://access.redhat.com/errata/RHSA-2022:0856"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3152 vom 2022-10-17",
        "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html"
      }
    ],
    "source_lang": "en-US",
    "title": "GNU libc: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-12-04T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:00:58.082+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-1751",
      "initial_release_date": "2021-05-25T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-05-25T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-06-13T22:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: FEDORA-2021-BF2458347F, FEDORA-2021-7DDB8B0537"
        },
        {
          "date": "2021-06-21T22:00:00.000+00:00",
          "number": "3",
          "summary": "Referenz(en) aufgenommen: FEDORA-2021-F29B4643C7"
        },
        {
          "date": "2021-06-28T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von NetApp aufgenommen"
        },
        {
          "date": "2021-07-05T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Gentoo aufgenommen"
        },
        {
          "date": "2021-10-04T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-10-06T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-10-12T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-11-09T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-11-22T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-11-29T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-01-27T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Red Hat und Amazon aufgenommen"
        },
        {
          "date": "2022-02-03T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-03-14T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-10-17T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-12-04T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "16"
    }
  },
  "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": "Gentoo Linux",
            "product": {
              "name": "Gentoo Linux",
              "product_id": "T012167",
              "product_identification_helper": {
                "cpe": "cpe:/o:gentoo:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Gentoo"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "NetApp ActiveIQ Unified Manager",
            "product": {
              "name": "NetApp ActiveIQ Unified Manager",
              "product_id": "T016960",
              "product_identification_helper": {
                "cpe": "cpe:/a:netapp:active_iq_unified_manager:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "NetApp"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source GNU libc \u003c= 2.33",
            "product": {
              "name": "Open Source GNU libc \u003c= 2.33",
              "product_id": "T019425",
              "product_identification_helper": {
                "cpe": "cpe:/a:gnu:glibc:2.33"
              }
            }
          }
        ],
        "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": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-33574",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in GNU libc, die auf einen Use-after-Free-Fehler zur\u00fcckzuf\u00fchren ist. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "398363",
          "T012167",
          "T004914",
          "T016960"
        ],
        "last_affected": [
          "T019425"
        ]
      },
      "release_date": "2021-05-25T22:00:00Z",
      "title": "CVE-2021-33574"
    }
  ]
}