WID-SEC-W-2022-2280

Vulnerability from csaf_certbund - Published: 2021-10-27 22:00 - Updated: 2024-01-15 23:00
Summary
Samba: Schwachstelle ermöglicht Umgehen 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
Samba ist eine Open Source Software Suite, die Druck- und Dateidienste für SMB/CIFS Clients implementiert.
Angriff
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Samba ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Betroffene Betriebssysteme
- UNIX - Linux - MacOS X
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": "Samba ist eine Open Source Software Suite, die Druck- und Dateidienste f\u00fcr SMB/CIFS Clients implementiert.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Samba ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux\n- MacOS X",
        "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-2022-2280 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-2280.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-2280 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2280"
      },
      {
        "category": "external",
        "summary": "Samba Security Advisory vom 2021-10-27",
        "url": "https://www.samba.org/samba/history/samba-4.14.9.html"
      },
      {
        "category": "external",
        "summary": "Samba Security Advisory vom 2021-10-27",
        "url": "https://www.samba.org/samba/history/samba-4.15.1.html"
      },
      {
        "category": "external",
        "summary": "Exploit",
        "url": "https://github.com/SecureAuthCorp/impacket/pull/1013"
      },
      {
        "category": "external",
        "summary": "Samba Security Advisory vom 2021-10-29",
        "url": "https://www.samba.org/samba/history/samba-4.13.13.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3647-1 vom 2021-11-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009716.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0361-1 vom 2022-02-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010209.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2022-1642 vom 2022-12-10",
        "url": "https://alas.aws.amazon.com/ALAS-2022-1642.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2022-213 vom 2022-12-09",
        "url": "https://alas.aws.amazon.com/AL2022/ALAS-2022-213.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:2570 vom 2023-05-09",
        "url": "https://access.redhat.com/errata/RHSA-2023:2570"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202309-06 vom 2023-09-17",
        "url": "https://security.gentoo.org/glsa/202309-06"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0252 vom 2024-01-16",
        "url": "https://access.redhat.com/errata/RHSA-2024:0252"
      }
    ],
    "source_lang": "en-US",
    "title": "Samba: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen",
    "tracking": {
      "current_release_date": "2024-01-15T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:39:38.424+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2022-2280",
      "initial_release_date": "2021-10-27T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-10-27T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-10-28T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Samba"
        },
        {
          "date": "2021-11-10T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-02-10T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-12-11T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-05-09T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-09-17T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Gentoo aufgenommen"
        },
        {
          "date": "2024-01-15T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "8"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Amazon Linux 2",
            "product": {
              "name": "Amazon Linux 2",
              "product_id": "398363",
              "product_identification_helper": {
                "cpe": "cpe:/o:amazon:linux_2:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Amazon"
      },
      {
        "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": "Open Source Samba \u003c 4.14.9",
                "product": {
                  "name": "Open Source Samba \u003c 4.14.9",
                  "product_id": "T020855",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:samba:samba:4.14.9"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Samba \u003c 4.15.1",
                "product": {
                  "name": "Open Source Samba \u003c 4.15.1",
                  "product_id": "T020856",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:samba:samba:4.15.1"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Samba \u003c 4.13.13",
                "product": {
                  "name": "Open Source Samba \u003c 4.13.13",
                  "product_id": "T020864",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:samba:samba:4.13.13"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Samba"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "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"
      },
      {
        "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-2020-17049",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Samba. Der Fehler besteht darin, dass es einem Angreifer m\u00f6glich ist, das Kerberos-Service-Ticket zu manipulieren, wodurch er sich als beliebiger Benutzer, einschlie\u00dflich sensibler Konten und Mitglieder der Gruppe \"Gesch\u00fctzte Benutzer\", beim Ziel authentifizieren kann. Ein entfernter authentisierter Angreifer mit bestimmten Rechten kann diese Schwachstelle ausnutzen, um Sicherheitsma\u00dfnahmen zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "398363",
          "T012167"
        ]
      },
      "release_date": "2021-10-27T22:00:00.000+00:00",
      "title": "CVE-2020-17049"
    }
  ]
}


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Sightings

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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.