WID-SEC-W-2024-1056

Vulnerability from csaf_certbund - Published: 2014-12-28 23:00 - Updated: 2024-05-07 22:00
Summary
libssh: 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
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 eine Schwachstelle in libssh ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux - UNIX - Windows
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 eine Schwachstelle in libssh ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX\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-2024-1056 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2014/wid-sec-w-2024-1056.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-1056 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1056"
      },
      {
        "category": "external",
        "summary": "libssh 0.6.4 release notes vom 2014-12-19",
        "url": "https://www.libssh.org/2014/12/19/libssh-0-6-4-security-and-bugfix-release/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2014:1731-1 vom 2015-01-05",
        "url": "https://www.suse.com/support/update/announcement/2014/suse-su-20141731-1.html"
      },
      {
        "category": "external",
        "summary": "Mandriva Security Advisory MDVSA-2015:020 vom 2015-01-12",
        "url": "http://www.mandriva.com/de/support/security/advisories/advisory/MDVSA-2015%3A020/"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-2478-1 vom 2015-01-19",
        "url": "http://www.ubuntu.com/usn/usn-2478-1/"
      },
      {
        "category": "external",
        "summary": "Mandriva Security Advisory MDVSA-2015:086 vom 2015-03-28",
        "url": "http://www.mandriva.com/de/support/security/advisories/advisory/MDVSA-2015%3A086/"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-3488 vom 2016-02-24",
        "url": "https://www.debian.org/security/2016/dsa-3488"
      },
      {
        "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: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-05-07T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T18:08:38.586+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2024-1056",
      "initial_release_date": "2014-12-28T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2014-12-28T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initial Release"
        },
        {
          "date": "2014-12-28T23:00:00.000+00:00",
          "number": "2",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2015-01-05T23:00:00.000+00:00",
          "number": "3",
          "summary": "New remediations available"
        },
        {
          "date": "2015-01-05T23:00:00.000+00:00",
          "number": "4",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2015-01-12T23:00:00.000+00:00",
          "number": "5",
          "summary": "New remediations available"
        },
        {
          "date": "2015-01-19T23:00:00.000+00:00",
          "number": "6",
          "summary": "New remediations available"
        },
        {
          "date": "2015-03-29T22:00:00.000+00:00",
          "number": "7",
          "summary": "New remediations available"
        },
        {
          "date": "2016-02-23T23:00:00.000+00:00",
          "number": "8",
          "summary": "New remediations available"
        },
        {
          "date": "2016-02-23T23:00:00.000+00:00",
          "number": "9",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2024-05-07T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Dell aufgenommen"
        }
      ],
      "status": "final",
      "version": "10"
    }
  },
  "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": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c0.6.4",
                "product": {
                  "name": "Open Source libssh \u003c0.6.4",
                  "product_id": "T004284"
                }
              }
            ],
            "category": "product_name",
            "name": "libssh"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux Enterprise Desktop",
            "product": {
              "name": "SUSE Linux Enterprise Desktop",
              "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-2014-8132",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine \"double free\" Schwachstelle in libssh in der \"ssh_packet_kexinit\" Funktion in [kex.c]. Ein Angreifer kann durch senden eines speziell gestalteten \"kexinit\" Pakets einen Denial of Service herbeif\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T014381",
          "2951",
          "T002207",
          "T000126",
          "T034583"
        ]
      },
      "release_date": "2014-12-28T23:00:00.000+00:00",
      "title": "CVE-2014-8132"
    }
  ]
}


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  • 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.
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  • 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.