WID-SEC-W-2023-0964

Vulnerability from csaf_certbund - Published: 2023-04-13 22:00 - Updated: 2023-11-26 23:00
Summary
Red Hat Enterprise Linux (openvswitch): 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
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution.
Angriff
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux in openvswitch 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.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux in openvswitch 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-2023-0964 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0964.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0964 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0964"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202311-16 vom 2023-11-26",
        "url": "https://security.gentoo.org/glsa/202311-16"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2536-1 vom 2023-06-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015229.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:3491 vom 2023-06-06",
        "url": "https://access.redhat.com/errata/RHSA-2023:3491"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2296-1 vom 2023-05-25",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/015001.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2274-1 vom 2023-05-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014939.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2275-1 vom 2023-05-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014938.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:1823 vom 2023-04-18",
        "url": "https://access.redhat.com/errata/RHSA-2023:1823"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:1824 vom 2023-04-18",
        "url": "https://access.redhat.com/errata/RHSA-2023:1824"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-7DA03DC2AE vom 2023-04-14",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-7da03dc2ae"
      },
      {
        "category": "external",
        "summary": "RedHat Security Advisory vom 2023-04-13",
        "url": "https://access.redhat.com/errata/RHSA-2023:1770"
      },
      {
        "category": "external",
        "summary": "RedHat Security Advisory vom 2023-04-13",
        "url": "https://access.redhat.com/errata/RHSA-2023:1769"
      },
      {
        "category": "external",
        "summary": "RedHat Security Advisory vom 2023-04-13",
        "url": "https://access.redhat.com/errata/RHSA-2023:1766"
      },
      {
        "category": "external",
        "summary": "RedHat Security Advisory vom 2023-04-13",
        "url": "https://access.redhat.com/errata/RHSA-2023:1765"
      }
    ],
    "source_lang": "en-US",
    "title": "Red Hat Enterprise Linux (openvswitch): Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-11-26T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:48:51.975+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-0964",
      "initial_release_date": "2023-04-13T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-04-13T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-04-16T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2023-04-18T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-05-23T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-05-25T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-06T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-06-18T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-11-26T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Gentoo aufgenommen"
        }
      ],
      "status": "final",
      "version": "8"
    }
  },
  "product_tree": {
    "branches": [
      {
        "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": "Gentoo Linux",
            "product": {
              "name": "Gentoo Linux",
              "product_id": "T012167",
              "product_identification_helper": {
                "cpe": "cpe:/o:gentoo:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Gentoo"
      },
      {
        "branches": [
          {
            "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": "product_name",
                "name": "Red Hat Enterprise Linux 8",
                "product": {
                  "name": "Red Hat Enterprise Linux 8",
                  "product_id": "T014111",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:enterprise_linux:8"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Red Hat Enterprise Linux 9",
                "product": {
                  "name": "Red Hat Enterprise Linux 9",
                  "product_id": "T023632",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:enterprise_linux:9"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "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-2023-1668",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Red Hat Enterprise Linux in openvswitch (OVS). Bei der Verarbeitung eines IP-Pakets mit Protokoll 0 setzt OVS den Datenpfadfluss, ohne dass die Aktion den IP-Header \u00e4ndert. Dieses Problem f\u00fchrt dazu, dass ein Datapath-Flow installiert wird, der zu allen IP-Protokollen f\u00fcr diesen Flow passt, aber mit einer falschen Aktion, was m\u00f6glicherweise zu einer falschen Behandlung anderer IP-Pakete mit einem IP-Protokoll != 0 f\u00fchrt, die zu diesem dp-Flow passen. Ein Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen oder Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "T023632",
          "67646",
          "T012167",
          "T014111",
          "74185"
        ]
      },
      "release_date": "2023-04-13T22:00:00.000+00:00",
      "title": "CVE-2023-1668"
    }
  ]
}


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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.