wid-sec-w-2022-1172
Vulnerability from csaf_certbund
Published
2021-03-04 23:00
Modified
2024-03-05 23:00
Summary
GNU libc: Schwachstelle ermöglicht Denial of Service

Notes

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.
Produktbeschreibung
Die GNU libc ist die Basis C Bibliothek unter Linux sowie anderen Unix-Betriebssystemen, welche die Systemaufrufe sowie Basisfunktionalität bereitstellt.
Angriff
Ein lokaler, authentifizierter Angreifer kann eine Schwachstelle in GNU libc ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX - Linux - NetApp Appliance


To clipboard 

{
  "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"
    }
  ]
}


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