WID-SEC-W-2023-0279
Vulnerability from csaf_certbund
Published
2023-02-02 23:00
Modified
2023-10-12 22:00
Summary
OpenSSH: Mehrere Schwachstellen

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
OpenSSH ist eine Open Source Implementierung des Secure Shell Protokolls.
Angriff
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um beliebigen Programmcode auszuführen und um Sicherheitsmechanismen zu umgehen.
Betroffene Betriebssysteme
- UNIX - Linux


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "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": "OpenSSH ist eine Open Source Implementierung des Secure Shell Protokolls.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um beliebigen Programmcode auszuf\u00fchren und um Sicherheitsmechanismen zu umgehen.",
        "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-2023-0279 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0279.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0279 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0279"
      },
      {
        "category": "external",
        "summary": "Fujitsu PSIRT Security Advisory PSIRT-IS-2023-032200 vom 2023-10-13",
        "url": "https://security.ts.fujitsu.com/ProductSecurity/content/Fujitsu-PSIRT-PSIRT-IS-2023-032200-Security-Notice.pdf"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202307-01 vom 2023-07-20",
        "url": "https://security.gentoo.org/glsa/202307-01"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-2645 vom 2023-05-18",
        "url": "https://oss.oracle.com/pipermail/el-errata/2023-May/013978.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:2645 vom 2023-05-09",
        "url": "https://access.redhat.com/errata/RHSA-2023:2645"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-1176C8B10C vom 2023-04-14",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-1176c8b10c"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-123647648E vom 2023-04-14",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-123647648e"
      },
      {
        "category": "external",
        "summary": "NetApp Security Advisory NTAP-20230309-0003 vom 2023-03-09",
        "url": "https://security.netapp.com/advisory/ntap-20230309-0003/"
      },
      {
        "category": "external",
        "summary": "OpenSSH 9.2 Release Notes vom 2023-02-02",
        "url": "https://www.openssh.com/releasenotes.html"
      },
      {
        "category": "external",
        "summary": "OpenBSD Errata vom 2023-02-02",
        "url": "https://www.openbsd.org/errata72.html"
      },
      {
        "category": "external",
        "summary": "FreeBSD Security Advisory FREEBSD-SA-23:02.OPENSSH vom 2023-02-16",
        "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-23:02.openssh.asc"
      }
    ],
    "source_lang": "en-US",
    "title": "OpenSSH: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2023-10-12T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:12:56.576+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-0279",
      "initial_release_date": "2023-02-02T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-02-02T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-02-16T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von FreeBSD aufgenommen"
        },
        {
          "date": "2023-03-09T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von NetApp aufgenommen"
        },
        {
          "date": "2023-04-16T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2023-05-09T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-05-18T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-07-19T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Gentoo aufgenommen"
        },
        {
          "date": "2023-10-12T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Fujitsu 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": "FreeBSD Project FreeBSD OS",
            "product": {
              "name": "FreeBSD Project FreeBSD OS",
              "product_id": "4035",
              "product_identification_helper": {
                "cpe": "cpe:/o:freebsd:freebsd:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "FreeBSD Project"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Fujitsu Eternus",
            "product": {
              "name": "Fujitsu Eternus",
              "product_id": "T029215",
              "product_identification_helper": {
                "cpe": "cpe:/h:fujitsu:eternus:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Fujitsu Primergy",
            "product": {
              "name": "Fujitsu Primergy",
              "product_id": "T029216",
              "product_identification_helper": {
                "cpe": "cpe:/h:fujitsu:primergy_rx:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fujitsu"
      },
      {
        "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 AFF",
            "product": {
              "name": "NetApp AFF",
              "product_id": "T020536",
              "product_identification_helper": {
                "cpe": "cpe:/h:netapp:aff:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "NetApp FAS",
            "product": {
              "name": "NetApp FAS",
              "product_id": "T011540",
              "product_identification_helper": {
                "cpe": "cpe:/h:netapp:fas:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "NetApp"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source OpenSSH \u003c 9.2",
            "product": {
              "name": "Open Source OpenSSH \u003c 9.2",
              "product_id": "T026120",
              "product_identification_helper": {
                "cpe": "cpe:/a:openbsd:openssh:9.2"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "OpenBSD OpenBSD 7.2",
            "product": {
              "name": "OpenBSD OpenBSD 7.2",
              "product_id": "T025100",
              "product_identification_helper": {
                "cpe": "cpe:/a:openbsd:openbsd:7.2"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "OpenBSD"
      },
      {
        "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"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-25136",
      "notes": [
        {
          "category": "description",
          "text": "Es gibt eine \"double-free\"-Schwachstelle in OpenSSH, die w\u00e4hrend der Behandlung von \"options.kex_algorithms\" auftritt. Ein entfernter, anonymer Angreifer kann dies ausnutzen, um m\u00f6glicherweise beliebigen Code im Kontext des Service-Daemons auszuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "67646",
          "T020536",
          "4035",
          "T011540",
          "T012167",
          "T029216",
          "T004914",
          "T029215",
          "74185",
          "T025100"
        ]
      },
      "release_date": "2023-02-02T23:00:00Z",
      "title": "CVE-2023-25136"
    },
    {
      "notes": [
        {
          "category": "description",
          "text": "Es gibt eine Sicherheitsl\u00fccke in OpenSSH. In bestimmten F\u00e4llen ignoriert die Option \"PermitRemoteOpen\" ihr erstes Argument. Dies f\u00fchrt zu einer \"fail open\"-Situation bez\u00fcglich der Berechtigungsliste. Ein Angreifer kann dies ausnutzen, um Sicherheitsmechanismen zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "67646",
          "T020536",
          "4035",
          "T011540",
          "T012167",
          "T029216",
          "T004914",
          "T029215",
          "74185",
          "T025100"
        ]
      },
      "release_date": "2023-02-02T23:00:00Z"
    },
    {
      "notes": [
        {
          "category": "description",
          "text": "Es gibt eine Schwachstelle in OpenSSH, wenn die Optionen \"CanonicalizeHostname\" und \"CanonicalizePermittedCNAMEs\" aktiviert sind und der \"system/libc\"-Resolver die DNS-Antworten nicht validiert. Ein Angreifer, der einen DNS-Server angreift, kann speziell erstellte, ung\u00fcltige DNS-Eintr\u00e4ge benutzen, um Sicherheitsmechanismen zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "67646",
          "T020536",
          "4035",
          "T011540",
          "T012167",
          "T029216",
          "T004914",
          "T029215",
          "74185",
          "T025100"
        ]
      },
      "release_date": "2023-02-02T23:00:00Z"
    }
  ]
}


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