{
  "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, authentifizierter Angreifer kann eine Schwachstelle in GNU libc ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "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 f\u00fcr 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 erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-03-05T23:00:00.000+00:00",
      "generator": {
        "date": "2024-03-06T09:07:27.332+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "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": "\u003c 2.33",
                "product": {
                  "name": "Open Source GNU libc \u003c 2.33",
                  "product_id": "T018182",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:gnu:glibc:2.33"
                  }
                }
              }
            ],
            "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 ung\u00fcltiger Multi-Byte-Eingabesequenzen in der Funktion \u0027iconv\u0027 auf. Ein lokaler, authentifizierter Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand auszul\u00f6sen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T015519",
          "2951",
          "T002207",
          "67646",
          "T017865",
          "T000126",
          "T001663",
          "398363",
          "T012167",
          "T004914"
        ]
      },
      "release_date": "2021-03-04T23:00:00Z",
      "title": "CVE-2020-27618"
    }
  ]
}