WID-SEC-W-2025-0236

Vulnerability from csaf_certbund - Published: 2020-05-18 22:00 - 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.
Angriff
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Dovecot ausnutzen, um einen Denial of Service Angriff durchzuführen und potentiell um beliebigen Code auszuführen.
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.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Dovecot ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren und potentiell um beliebigen Code auszuf\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-2025-0236 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2025-0236.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-0236 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-0236"
      },
      {
        "category": "external",
        "summary": "Dovecot-news: v2.3.10.1 released vom 2020-05-18",
        "url": "https://dovecot.org/pipermail/dovecot-news/2020-May/000437.html"
      },
      {
        "category": "external",
        "summary": "Dovecot-news: Multiple vulnerabilities in Dovecot vom 2020-05-18",
        "url": "https://dovecot.org/pipermail/dovecot-news/2020-May/000438.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4361-1 vom 2020-05-18",
        "url": "https://usn.ubuntu.com/4361-1/"
      },
      {
        "category": "external",
        "summary": "FreeBSD VuXML vom 2020-05-18",
        "url": "http://www.vuxml.org/freebsd/37d106a8-15a4-483e-8247-fcb68b16eaf8.html"
      },
      {
        "category": "external",
        "summary": "Arch Linux Security Advisory ASA-202005-9 vom 2020-05-19",
        "url": "https://security.archlinux.org/ASA-202005-9"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2020-C16C248013 vom 2020-05-20",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2020-c16c248013"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4690 vom 2020-05-21",
        "url": "https://lists.debian.org/debian-security-announce/2020/msg00094.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:1380-1 vom 2020-06-16",
        "url": "https://www.suse.com/support/update/announcement/2020/suse-su-20201380-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:1379-1 vom 2020-06-16",
        "url": "https://www.suse.com/support/update/announcement/2020/suse-su-20201379-1.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:2901 vom 2020-07-13",
        "url": "https://access.redhat.com/errata/RHSA-2020:2901"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:4763 vom 2020-11-04",
        "url": "https://access.redhat.com/errata/RHSA-2020:4763"
      },
      {
        "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": "2025-02-03T09:07:27.066+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.10"
        }
      },
      "id": "WID-SEC-W-2025-0236",
      "initial_release_date": "2020-05-18T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2020-05-18T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2020-05-19T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Arch Linux und Fedora aufgenommen"
        },
        {
          "date": "2020-05-21T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2020-06-16T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-07-13T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-08-27T22:00:00.000+00:00",
          "number": "6",
          "summary": "Referenz(en) aufgenommen: FEDORA-2020-D737C57172, FEDORA-2020-B8EBC4201E, FEDORA-2020-CD8B8F887B"
        },
        {
          "date": "2020-11-03T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "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": [
          {
            "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": [
          {
            "category": "product_name",
            "name": "FreeBSD Project FreeBSD OS",
            "product": {
              "name": "FreeBSD Project FreeBSD OS",
              "product_id": "4035",
              "product_identification_helper": {
                "cpe": "cpe:/o:freebsd:freebsd:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "FreeBSD Project"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Arch Linux",
            "product": {
              "name": "Open Source Arch Linux",
              "product_id": "T013312",
              "product_identification_helper": {
                "cpe": "cpe:/o:archlinux:archlinux:-"
              }
            }
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2.3.10.1",
                "product": {
                  "name": "Open Source Dovecot \u003c2.3.10.1",
                  "product_id": "T016552"
                }
              },
              {
                "category": "product_version",
                "name": "2.3.10.1",
                "product": {
                  "name": "Open Source Dovecot 2.3.10.1",
                  "product_id": "T016552-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dovecot:dovecot:2.3.10.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Dovecot"
          }
        ],
        "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": "product_name",
            "name": "Red Hat Fedora",
            "product": {
              "name": "Red Hat Fedora",
              "product_id": "T007849",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:fedora:-"
              }
            }
          }
        ],
        "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": "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": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T016400",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-10957",
      "notes": [
        {
          "category": "description",
          "text": "Es gibt mehrere Schwachstellen in Dovecot aufgrund unsachgem\u00e4\u00dfer Eingabepr\u00fcfungen und einer NULL-Zeiger-Dereferenz in der Komponente \"lmtp/submission\". Ein anonymer Angreifer kann durch das Senden speziell gestalteten Verkehrs den Dienst zum Absturz bringen (Denial of Service) oder m\u00f6glicherweise beliebigen Code im Kontext des Dienstes ausf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "4035",
          "T007849",
          "T013312",
          "T027843",
          "T016400",
          "T016552"
        ]
      },
      "release_date": "2020-05-18T22:00:00.000+00:00",
      "title": "CVE-2020-10957"
    },
    {
      "cve": "CVE-2020-10958",
      "notes": [
        {
          "category": "description",
          "text": "Es gibt mehrere Schwachstellen in Dovecot aufgrund unsachgem\u00e4\u00dfer Eingabepr\u00fcfungen und einer NULL-Zeiger-Dereferenz in der Komponente \"lmtp/submission\". Ein anonymer Angreifer kann durch das Senden speziell gestalteten Verkehrs den Dienst zum Absturz bringen (Denial of Service) oder m\u00f6glicherweise beliebigen Code im Kontext des Dienstes ausf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "4035",
          "T007849",
          "T013312",
          "T027843",
          "T016400",
          "T016552"
        ]
      },
      "release_date": "2020-05-18T22:00:00.000+00:00",
      "title": "CVE-2020-10958"
    },
    {
      "cve": "CVE-2020-10967",
      "notes": [
        {
          "category": "description",
          "text": "Es gibt mehrere Schwachstellen in Dovecot aufgrund unsachgem\u00e4\u00dfer Eingabepr\u00fcfungen und einer NULL-Zeiger-Dereferenz in der Komponente \"lmtp/submission\". Ein anonymer Angreifer kann durch das Senden speziell gestalteten Verkehrs den Dienst zum Absturz bringen (Denial of Service) oder m\u00f6glicherweise beliebigen Code im Kontext des Dienstes ausf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "4035",
          "T007849",
          "T013312",
          "T027843",
          "T016400",
          "T016552"
        ]
      },
      "release_date": "2020-05-18T22:00:00.000+00:00",
      "title": "CVE-2020-10967"
    }
  ]
}


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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.