{
  "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" : "Die GNU libc ist die Basis C Bibliothek unter Linux sowie anderen Unix-Betriebssystemen, welche die Systemaufrufe sowie Basisfunktionalität bereitstellt.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein lokaler Angreifer kann eine Schwachstelle in GNU libc ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- UNIX\n- 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-2022-1751 - 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 ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2023-12-04T23:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:36:37.113+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "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 <= 2.33",
        "product" : {
          "name" : "Open Source GNU libc <= 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 zurückzuführen ist. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuführen."
    } ],
    "product_status" : {
      "known_affected" : [ "2951", "T002207", "67646", "398363", "T012167", "T004914", "T016960" ],
      "last_affected" : [ "T019425" ]
    },
    "release_date" : "2021-05-25T22:00:00.000+00:00",
    "title" : "CVE-2021-33574"
  } ]
}