{
  "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, authentifizierter Angreifer kann eine Schwachstelle in GNU libc ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- UNIX\n- Linux\n- NetApp Appliance",
      "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-2022-1172 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-1172.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-1172 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1172"
    }, {
      "category" : "external",
      "summary" : "National Vulnerability Database vom 2021-03-04",
      "url" : "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-27618"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1165-1 vom 2021-04-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008623.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1585 vom 2021-05-18",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1585"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9280 vom 2021-06-04",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-9280.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2461 vom 2021-06-16",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2461"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2479 vom 2021-06-17",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2479"
    }, {
      "category" : "external",
      "summary" : "AVAYA Security Advisory ASA-2021-064 vom 2021-06-17",
      "url" : "https://downloads.avaya.com/css/P8/documents/101076267"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2021-1656 vom 2021-06-23",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS-2021-1656.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2532 vom 2021-06-23",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2532"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2543 vom 2021-06-24",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2543"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9344 vom 2021-07-02",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-9344.html"
    }, {
      "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" : "F5 Security Advisory",
      "url" : "https://support.f5.com/csp/article/K08641512"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3016 vom 2021-08-06",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3016"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3119 vom 2021-08-10",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3119"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3556 vom 2021-09-17",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3556"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5310-1 vom 2022-03-01",
      "url" : "https://ubuntu.com/security/notices/USN-5310-1"
    }, {
      "category" : "external",
      "summary" : "IGEL Security Notice ISN-2022-03 vom 2022-03-09",
      "url" : "https://kb.igel.com/securitysafety/en/isn-2022-03-glibc-denial-of-service-in-igel-os-57319339.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2022:0056 vom 2022-03-10",
      "url" : "https://access.redhat.com/errata/RHSA-2022:0056"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:2886-1 vom 2022-08-24",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-August/011984.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3152 vom 2022-10-17",
      "url" : "https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5768-1 vom 2022-12-08",
      "url" : "https://ubuntu.com/security/notices/USN-5768-1"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:0579-2 vom 2023-02-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-February/013934.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:0759-1 vom 2024-03-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018088.html"
    } ],
    "source_lang" : "en-US",
    "title" : "GNU libc: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2024-03-05T23:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:33:56.591+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2022-1172",
      "initial_release_date" : "2021-03-04T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-03-04T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-04-13T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-05-18T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-06-06T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2021-06-16T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-06-17T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-06-20T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von AVAYA aufgenommen"
      }, {
        "date" : "2021-06-23T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Amazon und Red Hat aufgenommen"
      }, {
        "date" : "2021-06-24T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-07-04T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2021-07-05T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Gentoo aufgenommen"
      }, {
        "date" : "2021-07-12T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von F5 aufgenommen"
      }, {
        "date" : "2021-08-05T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-08-10T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-09-16T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-03-01T23:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-03-08T23:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von IGEL aufgenommen"
      }, {
        "date" : "2022-03-10T23:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-08-24T22:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-10-17T22:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2022-12-08T23:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-02-28T23:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2024-03-05T23:00:00.000+00:00",
        "number" : "23",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "23"
    }
  },
  "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" : "Avaya Aura Experience Portal",
        "product" : {
          "name" : "Avaya Aura Experience Portal",
          "product_id" : "T015519",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:aura_experience_portal:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Avaya"
    }, {
      "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" : "F5 BIG-IP",
        "product" : {
          "name" : "F5 BIG-IP",
          "product_id" : "T001663",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:f5:big-ip:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "F5"
    }, {
      "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" : "IGEL OS",
        "product" : {
          "name" : "IGEL OS",
          "product_id" : "T017865",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:igel:os:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "IGEL"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "< 2.33",
          "product" : {
            "name" : "Open Source GNU libc < 2.33",
            "product_id" : "T018182"
          }
        } ],
        "category" : "product_name",
        "name" : "GNU libc"
      } ],
      "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"
    }, {
      "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-2020-27618",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle in GNU libc. Der Fehler tritt bei der Verarbeitung ungültiger Multi-Byte-Eingabesequenzen in der Funktion 'iconv' auf. Ein lokaler, authentifizierter Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand auszulösen."
    } ],
    "product_status" : {
      "known_affected" : [ "T015519", "2951", "T002207", "67646", "T017865", "T000126", "T001663", "398363", "T012167", "T004914" ]
    },
    "release_date" : "2021-03-04T23:00:00.000+00:00",
    "title" : "CVE-2020-27618"
  } ]
}