WID-SEC-W-2025-0244

Vulnerability from csaf_certbund - Published: 2018-03-05 23:00 - Updated: 2025-02-02 23:00
Summary
Dovecot: 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
Dovecot ist ein Open Source IMAP und POP3 E-Mail Server für Linux und auf Linux basierende Systeme.
Angriff
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Dovecot ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux - UNIX
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": "Dovecot ist ein Open Source IMAP und POP3 E-Mail Server f\u00fcr Linux und auf Linux basierende Systeme.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Dovecot ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX",
        "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-2025-0244 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2018/wid-sec-w-2025-0244.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-0244 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-0244"
      },
      {
        "category": "external",
        "summary": "Dovecot Release Notes vom 2018-03-05",
        "url": "https://www.dovecot.org/list/dovecot-news/2018-February/000370.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2018:1125-1 vom 2018-05-03",
        "url": "https://www.suse.com/support/update/announcement/2018/suse-su-20181125-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2018:2632-1 vom 2018-09-06",
        "url": "https://www.suse.com/support/update/announcement/2018/suse-su-20182632-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2018:2632-2 vom 2018-10-18",
        "url": "https://www.suse.com/support/update/announcement/2018/suse-su-20182632-2.html"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2025:14715-1 vom 2025-01-31",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/KZSDCZ5LA6IHY7KXVSL6ULAJVP6OFT2M/"
      }
    ],
    "source_lang": "en-US",
    "title": "Dovecot: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
    "tracking": {
      "current_release_date": "2025-02-02T23:00:00.000+00:00",
      "generator": {
        "date": "2025-02-03T09:07:45.863+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.10"
        }
      },
      "id": "WID-SEC-W-2025-0244",
      "initial_release_date": "2018-03-05T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2018-03-05T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initial Release"
        },
        {
          "date": "2018-03-05T23:00:00.000+00:00",
          "number": "2",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2018-04-17T22:00:00.000+00:00",
          "number": "3",
          "summary": "Added references"
        },
        {
          "date": "2018-05-02T22:00:00.000+00:00",
          "number": "4",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2018-05-02T22:00:00.000+00:00",
          "number": "5",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2018-09-06T22:00:00.000+00:00",
          "number": "6",
          "summary": "New remediations available"
        },
        {
          "date": "2018-10-18T22:00:00.000+00:00",
          "number": "7",
          "summary": "New remediations available"
        },
        {
          "date": "2025-02-02T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von openSUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "8"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2.2.34",
                "product": {
                  "name": "Open Source Dovecot \u003c2.2.34",
                  "product_id": "T011917"
                }
              },
              {
                "category": "product_version",
                "name": "2.2.34",
                "product": {
                  "name": "Open Source Dovecot 2.2.34",
                  "product_id": "T011917-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dovecot:dovecot:2.2.34"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Dovecot"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "SUSE openSUSE",
            "product": {
              "name": "SUSE openSUSE",
              "product_id": "T027843",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:opensuse:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "14.04 LTS",
                "product": {
                  "name": "Ubuntu Linux 14.04 LTS",
                  "product_id": "T010559",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:canonical:ubuntu_linux:14.04_lts"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "16.04 LTS",
                "product": {
                  "name": "Ubuntu Linux 16.04 LTS",
                  "product_id": "T010560",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:canonical:ubuntu_linux:16.04_lts"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "17.1",
                "product": {
                  "name": "Ubuntu Linux 17.10",
                  "product_id": "T011082",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:canonical:ubuntu_linux:17.10"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Linux"
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2017-14461",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Dovecot. Speziell bearbeitete E-Mail Adressen werden unsachgem\u00e4\u00df verarbeitet. Werden solche Mails \u00fcber SMTP zugestellt und von MTA an Dovecot weitergegeben, kann ein Lesen au\u00dferhalb des zul\u00e4ssigen Bereichs m\u00f6glich werden, was zu einer m\u00f6glichen Offenlegung vertraulicher Informationen oder zu einem Denial of Service f\u00fchren kann."
        }
      ],
      "product_status": {
        "known_affected": [
          "T010559",
          "T011082",
          "T002207",
          "T027843",
          "T010560",
          "T011917"
        ]
      },
      "release_date": "2018-03-05T23:00:00.000+00:00",
      "title": "CVE-2017-14461"
    },
    {
      "cve": "CVE-2017-15130",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Dovecot. Ein entfernter anonymer Angreifer der in der Lage ist, zuf\u00e4llige SNI-Servernamen zu generieren, kann die TLS-SNI-Konfigurationssuche dazu ausnutzen, um eine \u00fcberm\u00e4\u00dfige Speicherauslastung zu verursachen und damit einem Neustart des Prozesses herbeizuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T010559",
          "T011082",
          "T002207",
          "T027843",
          "T010560",
          "T011917"
        ]
      },
      "release_date": "2018-03-05T23:00:00.000+00:00",
      "title": "CVE-2017-15130"
    }
  ]
}


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Sightings

Author Source Type Date

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.