WID-SEC-W-2022-1714

Vulnerability from csaf_certbund - Published: 2021-10-05 22:00 - Updated: 2022-11-27 23:00
Summary
Samba: Mehrere Schwachstellen ermöglichen 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
Samba ist eine Open Source Software Suite, die Druck- und Dateidienste für SMB/CIFS Clients implementiert.
Angriff
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Samba ausnutzen, um einen Denial of Service Angriff durchzuführen.
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, anonymer Angreifer kann mehrere Schwachstellen in Samba ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "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-2022-1714 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-1714.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-1714 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1714"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3206 vom 2022-11-26",
        "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5287 vom 2022-11-22",
        "url": "https://lists.debian.org/debian-security-announce/2022/msg00258.html"
      },
      {
        "category": "external",
        "summary": "Heimdal 7.8 - Security Fix Release",
        "url": "https://github.com/heimdal/heimdal/releases/tag/heimdal-7.8.0"
      },
      {
        "category": "external",
        "summary": "Heimdal 7.7.1 - Security Fix Release",
        "url": "https://github.com/heimdal/heimdal/releases/tag/heimdal-7.7.1"
      },
      {
        "category": "external",
        "summary": "Release Notes for Samba 4.14.8 vom 2021-10-05",
        "url": "https://www.samba.org/samba/history/samba-4.14.8.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5142-2 vom 2021-12-06",
        "url": "https://ubuntu.com/security/notices/USN-5142-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5174-1 vom 2021-12-06",
        "url": "https://ubuntu.com/security/notices/USN-5174-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5174-2 vom 2021-12-13",
        "url": "https://ubuntu.com/security/notices/USN-5174-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5142-3 vom 2021-12-13",
        "url": "https://ubuntu.com/security/notices/USN-5142-3"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5675-1 vom 2022-10-13",
        "url": "https://ubuntu.com/security/notices/USN-5675-1"
      }
    ],
    "source_lang": "en-US",
    "title": "Samba: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
    "tracking": {
      "current_release_date": "2022-11-27T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:36:25.938+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2022-1714",
      "initial_release_date": "2021-10-05T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-10-05T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-12-06T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-12-13T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-10-13T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-11-15T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates aufgenommen"
        },
        {
          "date": "2022-11-16T23:00:00.000+00:00",
          "number": "6",
          "summary": "Referenz(en) aufgenommen: FEDORA-2022-EA403B373F, FEDORA-2022-FBCA84B938, FEDORA-2022-C6E50D409B"
        },
        {
          "date": "2022-11-22T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-11-27T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Debian 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": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Open Source Heimdal \u003c 7.8.0",
                "product": {
                  "name": "Open Source Heimdal \u003c 7.8.0",
                  "product_id": "T025326",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:heimdal:heimdal:7.8.0"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Heimdal \u003c 7.7.1",
                "product": {
                  "name": "Open Source Heimdal \u003c 7.7.1",
                  "product_id": "T025327",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:heimdal:heimdal:7.7.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Heimdal"
          },
          {
            "category": "product_name",
            "name": "Open Source Samba \u003c 4.14.8",
            "product": {
              "name": "Open Source Samba \u003c 4.14.8",
              "product_id": "T020552",
              "product_identification_helper": {
                "cpe": "cpe:/a:samba:samba:4.14.8"
              }
            }
          }
        ],
        "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-2021-3671",
      "notes": [
        {
          "category": "description",
          "text": "In Samba existieren mehrere Schwachstellen aufgrund von verschiedenen Programmierfehlern und unzureichenden Pr\u00fcfungen. Ein entfernter, anonymer Angreifer kann durch das Senden speziell gestalteter \"TGS-REQ\" oder \"winbind\" Anfragen einen Denial of Service Zustand herbeif\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T025327",
          "T025326",
          "T000126"
        ]
      },
      "release_date": "2021-10-05T22:00:00.000+00:00",
      "title": "CVE-2021-3671"
    }
  ]
}


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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.
  • 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.
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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.