wid-sec-w-2022-1751
Vulnerability from csaf_certbund
Published
2021-05-25 22:00
Modified
2023-12-04 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 Angreifer kann eine Schwachstelle in GNU libc ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX - Linux


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 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": "2024-08-15T17:36:37.113+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 \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": "2021-05-25T22:00:00.000+00:00",
      "title": "CVE-2021-33574"
    }
  ]
}


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