WID-SEC-W-2023-0916

Vulnerability from csaf_certbund - Published: 2021-02-11 23:00 - Updated: 2024-11-11 23:00
Summary
Red Hat Enterprise Linux: Mehrere Schwachstellen ermöglichen 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
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. SUSE Linux ist eine Linux-Distribution bzw. Open Source Plattform.
Angriff
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux und SUSE Linux ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- 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": "Red Hat Enterprise Linux (RHEL) ist eine popul\u00e4re Linux-Distribution.\r\nSUSE Linux ist eine Linux-Distribution bzw. Open Source Plattform.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux und SUSE Linux ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- 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-2023-0916 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-0916.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0916 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0916"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0976 vom 2021-03-23",
        "url": "https://access.redhat.com/errata/RHSA-2021:0976"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0958 vom 2021-03-30",
        "url": "https://access.redhat.com/errata/RHSA-2021:0958"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:1051 vom 2021-03-31",
        "url": "https://access.redhat.com/errata/RHSA-2021:1051"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:1050 vom 2021-03-31",
        "url": "https://access.redhat.com/errata/RHSA-2021:1050"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:2077 vom 2021-05-20",
        "url": "https://access.redhat.com/errata/RHSA-2021:2077"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Adivisory: RHSA-2021:0497 vom 2021-02-11",
        "url": "https://access.redhat.com/errata/RHSA-2021:0497"
      },
      {
        "category": "external",
        "summary": "SUSE Security Advisory: 0439-1 vom 2021-02-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-February/008313.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Advisory: 0440-1 vom 2021-02-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-February/008314.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Advisory: 0436-1 vom 2021-02-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-February/008315.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:0446-1 vom 2021-02-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-February/008320.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:0451-1 vom 2021-02-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-February/008322.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:0479-1 vom 2021-02-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-February/008326.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4852 vom 2021-02-16",
        "url": "https://www.debian.org/security/2021/dsa-4852"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2571 vom 2021-02-19",
        "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0837 vom 2021-03-15",
        "url": "https://access.redhat.com/errata/RHSA-2021:0837"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0834 vom 2021-03-15",
        "url": "https://access.redhat.com/errata/RHSA-2021:0834"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0835 vom 2021-03-15",
        "url": "https://access.redhat.com/errata/RHSA-2021:0835"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:2456 vom 2021-06-16",
        "url": "https://access.redhat.com/errata/RHSA-2021:2456"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-88991D2713 vom 2023-04-12",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-88991d2713"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-C0C184A019 vom 2023-04-12",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-c0c184a019"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-3E4FEEADEC vom 2023-04-12",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-3e4feeadec"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3389 vom 2023-04-12",
        "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00015.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:9158 vom 2024-11-12",
        "url": "https://access.redhat.com/errata/RHSA-2024:9158"
      }
    ],
    "source_lang": "en-US",
    "title": "Red Hat Enterprise Linux: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
    "tracking": {
      "current_release_date": "2024-11-11T23:00:00.000+00:00",
      "generator": {
        "date": "2024-11-12T11:13:57.807+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.8"
        }
      },
      "id": "WID-SEC-W-2023-0916",
      "initial_release_date": "2021-02-11T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-02-11T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-02-14T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-02-15T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-02-16T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-02-21T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-03-15T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-03-23T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-03-29T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-03-31T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-05-20T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-06-15T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-04-11T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2023-04-12T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2024-11-11T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "14"
    }
  },
  "product_tree": {
    "branches": [
      {
        "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": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "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-2020-27827",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Red Hat Enterprise Linux, welche darauf basiert, dass bei es beim Empfang von speziell angefertigten \"LLDP\"-Paketen zu Datenverlust kommen kann. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um beliebigen Programmcode auszuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "67646",
          "74185"
        ]
      },
      "release_date": "2021-02-11T23:00:00.000+00:00",
      "title": "CVE-2020-27827"
    },
    {
      "cve": "CVE-2020-35498",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Red Hat Enterprise Linux und SUSE Linux, welche in der Komponente \"openvswitch\" besteht. Die Schwachstelle ist auf Fehler bei der Implementierung eines Paket-Parses im Userspace zur\u00fcckzuf\u00fchren. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand auszuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "74185"
        ]
      },
      "release_date": "2021-02-11T23:00:00.000+00:00",
      "title": "CVE-2020-35498"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.