wid-sec-w-2023-0670
Vulnerability from csaf_certbund
Published
2023-03-15 23:00
Modified
2024-02-08 23:00
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 lokaler Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.
Betroffene Betriebssysteme
- UNIX - Linux - MacOS X - Windows



{
  "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": "OpenSSH ist eine Open Source Implementierung des Secure Shell Protokolls.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux\n- MacOS X\n- Windows",
        "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-2023-0670 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0670.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0670 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0670"
      },
      {
        "category": "external",
        "summary": "OpenSSH Release Notes vom 2023-03-15",
        "url": "https://www.openssh.com/releasenotes.html"
      },
      {
        "category": "external",
        "summary": "FreeBSD Security Advisory FREEBSD-SA-23:05.OPENSSH vom 2023-06-21",
        "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-23:05.openssh.asc"
      },
      {
        "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": "IBM Security Bulletin 7011697 vom 2023-08-03",
        "url": "https://www.cybersecurity-help.cz/vdb/SB2023080304"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6560-1 vom 2023-12-19",
        "url": "https://www.cybersecurity-help.cz/vdb/SB2023121949"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6560-1 vom 2023-12-19",
        "url": "https://ubuntu.com/security/notices/USN-6560-1"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5586 vom 2023-12-22",
        "url": "https://lists.debian.org/debian-security-announce/2023/msg00283.html"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2024-2AAC54EBB7 vom 2024-02-08",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-2aac54ebb7"
      }
    ],
    "source_lang": "en-US",
    "title": "OpenSSH: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2024-02-08T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:19:28.405+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-0670",
      "initial_release_date": "2023-03-15T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-03-15T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-03-16T23:00:00.000+00:00",
          "number": "2",
          "summary": "CVE erg\u00e4nzt"
        },
        {
          "date": "2023-06-20T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von FreeBSD aufgenommen"
        },
        {
          "date": "2023-07-19T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Gentoo aufgenommen"
        },
        {
          "date": "2023-08-02T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2023-12-19T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-12-26T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2024-02-08T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Fedora aufgenommen"
        }
      ],
      "status": "final",
      "version": "8"
    }
  },
  "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": "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": "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_version_range",
                "name": "plus \u003c 10.1.12.6",
                "product": {
                  "name": "IBM Spectrum Protect plus \u003c 10.1.12.6",
                  "product_id": "T029070",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:spectrum_protect:plus__10.1.12.6"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Spectrum Protect"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 9.3",
                "product": {
                  "name": "Open Source OpenSSH \u003c 9.3",
                  "product_id": "T026787",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:openbsd:openssh:9.3"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "OpenSSH"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "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-2023-28531",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in OpenSSH. Beim Hinzuf\u00fcgen von Smartcard-Keys zum ssh-agent werden gesetzte Nebenbedingungen ignoriert. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um Sicherheitsvorkehrungen zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "4035",
          "T000126",
          "T029070",
          "T012167",
          "74185"
        ]
      },
      "release_date": "2023-03-15T23:00:00Z",
      "title": "CVE-2023-28531"
    },
    {
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in OpenSSH. Diese besteht in der Funktion \"getrrsetbyname\" und f\u00fchrt zu einem out-of-bounds-Lesefehler wenn eine manipulierte DNS-Antwort empfangen wird. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "4035",
          "T000126",
          "T029070",
          "T012167",
          "74185"
        ]
      },
      "release_date": "2023-03-15T23:00:00Z"
    }
  ]
}


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