WID-SEC-W-2023-1159
Vulnerability from csaf_certbund
Published
2023-05-04 22:00
Modified
2024-05-07 22:00
Summary
libssh: Mehrere Schwachstellen ermöglichen Umgehung von Sicherheitsvorkehrungen

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
libssh ist eine C Bibliothek für das Anbieten von SSH Diensten auf Client- und Serverseite. Sie kann genutzt werden, um aus der Ferne Programme auszuführen, Dateien zu übertragen oder als sicherer und transparenter Tunnel für entfernte Programme genutzt werden.
Angriff
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in libssh ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Betroffene Betriebssysteme
- Sonstiges


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": "libssh ist eine C Bibliothek f\u00fcr das Anbieten von SSH Diensten auf Client- und Serverseite. Sie kann genutzt werden, um aus der Ferne Programme auszuf\u00fchren, Dateien zu \u00fcbertragen oder als sicherer und transparenter Tunnel f\u00fcr entfernte Programme genutzt werden.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in libssh ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges",
        "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-2023-1159 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1159.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1159 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1159"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0538 vom 2024-01-29",
        "url": "https://access.redhat.com/errata/RHSA-2024:0538"
      },
      {
        "category": "external",
        "summary": "Libssh Security Advisory vom 2023-05-04",
        "url": "https://www.libssh.org/security/advisories/CVE-2023-1667.txt"
      },
      {
        "category": "external",
        "summary": "Libssh Security Advisory vom 2023-05-04",
        "url": "http://www.libssh.org/security/advisories/CVE-2023-2283.txt"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-741D5F1FD3 vom 2023-05-11",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-741d5f1fd3"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-5FA5CA2043 vom 2023-05-15",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-5fa5ca2043"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5409 vom 2023-05-23",
        "url": "https://lists.debian.org/debian-security-announce/2023/msg00100.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3437 vom 2023-05-30",
        "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6138-1 vom 2023-06-05",
        "url": "https://ubuntu.com/security/notices/USN-6138-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:3839 vom 2023-06-27",
        "url": "https://access.redhat.com/errata/RHSA-2023:3839"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-3839 vom 2023-06-29",
        "url": "https://linux.oracle.com/errata/ELSA-2023-3839.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:3943 vom 2023-06-29",
        "url": "https://access.redhat.com/errata/RHSA-2023:3943"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:4276 vom 2023-07-25",
        "url": "https://access.redhat.com/errata/RHSA-2023:4276"
      },
      {
        "category": "external",
        "summary": "Meinberg Security Advisory MBGSA-2023.04 vom 2023-08-16",
        "url": "https://www.meinberg.de/german/news/meinberg-security-advisory-mbgsa-2023-04-lantime-firmware-v7-08-002.htm"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0140-1 vom 2024-01-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-January/017678.html"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202312-05 vom 2023-12-23",
        "url": "https://security.gentoo.org/glsa/202312-05"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0539-1 vom 2024-02-20",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017974.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:6643 vom 2023-11-07",
        "url": "https://access.redhat.com/errata/RHSA-2023:6643"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7148396 vom 2024-04-16",
        "url": "https://www.ibm.com/support/pages/node/7148396"
      },
      {
        "category": "external",
        "summary": "Dell Security Advisory DSA-2024-198 vom 2024-05-08",
        "url": "https://www.dell.com/support/kbdoc/000224827/dsa-2024-="
      }
    ],
    "source_lang": "en-US",
    "title": "libssh: Mehrere Schwachstellen erm\u00f6glichen Umgehung von Sicherheitsvorkehrungen",
    "tracking": {
      "current_release_date": "2024-05-07T22:00:00.000+00:00",
      "generator": {
        "date": "2024-05-08T08:10:28.552+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-1159",
      "initial_release_date": "2023-05-04T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-05-04T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-05-11T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2023-05-15T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2023-05-23T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-05-29T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-06-05T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-27T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-06-29T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Oracle Linux und Red Hat aufgenommen"
        },
        {
          "date": "2023-07-25T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-08-15T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Meinberg aufgenommen"
        },
        {
          "date": "2023-11-07T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-12-26T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Gentoo aufgenommen"
        },
        {
          "date": "2024-01-18T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-01-28T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-02-20T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-04-16T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2024-05-07T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Dell aufgenommen"
        }
      ],
      "status": "final",
      "version": "17"
    }
  },
  "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": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "virtual",
                "product": {
                  "name": "Dell NetWorker virtual",
                  "product_id": "T034583",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dell:networker:virtual"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "NetWorker"
          }
        ],
        "category": "vendor",
        "name": "Dell"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "EMC Avamar",
            "product": {
              "name": "EMC Avamar",
              "product_id": "T014381",
              "product_identification_helper": {
                "cpe": "cpe:/a:emc:avamar:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "EMC"
      },
      {
        "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_version",
                "name": "v10",
                "product": {
                  "name": "IBM Power Hardware Management Console v10",
                  "product_id": "T023373",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:hardware_management_console:v10"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Power Hardware Management Console"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c7.08.002",
                "product": {
                  "name": "Meinberg LANTIME \u003c7.08.002",
                  "product_id": "T029326",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:meinberg:lantime:7.08.002"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "LANTIME"
          }
        ],
        "category": "vendor",
        "name": "Meinberg"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c0.10.5",
                "product": {
                  "name": "Open Source libssh \u003c0.10.5",
                  "product_id": "T027626",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:libssh:libssh:0.10.5"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c0.9.7",
                "product": {
                  "name": "Open Source libssh \u003c0.9.7",
                  "product_id": "T027627",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:libssh:libssh:0.9.7"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "libssh"
          }
        ],
        "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": [
          {
            "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_version",
                "name": "Advanced Cluster Security for Kubernetes 4",
                "product": {
                  "name": "Red Hat Enterprise Linux Advanced Cluster Security for Kubernetes 4",
                  "product_id": "T027916",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:enterprise_linux:advanced_cluster_security_for_kubernetes_4"
                  }
                }
              }
            ],
            "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"
      },
      {
        "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-2023-1667",
      "notes": [
        {
          "category": "description",
          "text": "In libssh bestehen mehrere Schwachstellen aufgrund verschiedener Fehler in der \"kex\"-Implementierung und eines Fehlers in der Funktion \"pki_verify_data_signature()\" in \"pki_crypto.c\". Ein entfernter, anonymer Angreifer kann diese Schwachstellen ausnutzen, um die Sicherheitsma\u00dfnahmen zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T014381",
          "T027916",
          "2951",
          "T002207",
          "67646",
          "T000126",
          "T034583",
          "T012167",
          "T029326",
          "T004914",
          "74185",
          "T023373"
        ]
      },
      "release_date": "2023-05-04T22:00:00Z",
      "title": "CVE-2023-1667"
    },
    {
      "cve": "CVE-2023-2283",
      "notes": [
        {
          "category": "description",
          "text": "In libssh bestehen mehrere Schwachstellen aufgrund verschiedener Fehler in der \"kex\"-Implementierung und eines Fehlers in der Funktion \"pki_verify_data_signature()\" in \"pki_crypto.c\". Ein entfernter, anonymer Angreifer kann diese Schwachstellen ausnutzen, um die Sicherheitsma\u00dfnahmen zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T014381",
          "T027916",
          "2951",
          "T002207",
          "67646",
          "T000126",
          "T034583",
          "T012167",
          "T029326",
          "T004914",
          "74185",
          "T023373"
        ]
      },
      "release_date": "2023-05-04T22:00:00Z",
      "title": "CVE-2023-2283"
    }
  ]
}


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