wid-sec-w-2024-1867
Vulnerability from csaf_certbund
Published
2024-08-15 22:00
Modified
2024-09-30 22:00
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 Angreifer kann mehrere Schwachstellen in Dovecot ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux


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 Angreifer kann mehrere Schwachstellen in Dovecot ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux",
        "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-2024-1867 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1867.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-1867 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1867"
      },
      {
        "category": "external",
        "summary": "OSS Security Mailing List vom 2024-08-15",
        "url": "https://www.openwall.com/lists/oss-security/2024/08/15/3"
      },
      {
        "category": "external",
        "summary": "OSS Security Mailing List vom 2024-08-15",
        "url": "https://www.openwall.com/lists/oss-security/2024/08/15/4"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2024-BA5BB9F63A vom 2024-08-19",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-ba5bb9f63a"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2024-E23E8A3F1E vom 2024-08-19",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-e23e8a3f1e"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5752 vom 2024-08-21",
        "url": "https://lists.debian.org/debian-security-announce/2024/msg00165.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6982-1 vom 2024-09-02",
        "url": "https://ubuntu.com/security/notices/USN-6982-1"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3860 vom 2024-09-02",
        "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00002.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:3118-1 vom 2024-09-03",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-September/019347.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:6465 vom 2024-09-09",
        "url": "https://access.redhat.com/errata/RHSA-2024:6465"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:6529 vom 2024-09-10",
        "url": "https://access.redhat.com/errata/RHSA-2024:6529"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-6529 vom 2024-09-10",
        "url": "https://linux.oracle.com/errata/ELSA-2024-6529.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-7013-1 vom 2024-09-16",
        "url": "https://ubuntu.com/security/notices/USN-7013-1"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2024:6529 vom 2024-09-17",
        "url": "https://errata.build.resf.org/RLSA-2024:6529"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:6973 vom 2024-09-24",
        "url": "https://access.redhat.com/errata/RHSA-2024:6973"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-6973 vom 2024-09-25",
        "url": "https://linux.oracle.com/errata/ELSA-2024-6973.html"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2024:6973 vom 2024-09-30",
        "url": "https://errata.build.resf.org/RLSA-2024:6973"
      }
    ],
    "source_lang": "en-US",
    "title": "Dovecot: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
    "tracking": {
      "current_release_date": "2024-09-30T22:00:00.000+00:00",
      "generator": {
        "date": "2024-10-01T08:09:50.490+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.8"
        }
      },
      "id": "WID-SEC-W-2024-1867",
      "initial_release_date": "2024-08-15T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2024-08-15T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2024-08-19T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Red Hat und Fedora aufgenommen"
        },
        {
          "date": "2024-08-20T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2024-09-01T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-09-02T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2024-09-03T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-09-08T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-09-10T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat und Oracle Linux aufgenommen"
        },
        {
          "date": "2024-09-16T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu und Rocky Enterprise Software Foundation aufgenommen"
        },
        {
          "date": "2024-09-23T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-09-24T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-09-30T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Rocky Enterprise Software Foundation aufgenommen"
        }
      ],
      "status": "final",
      "version": "12"
    }
  },
  "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": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "IMAP Server \u003c2.3.21.1",
                "product": {
                  "name": "Open Source Dovecot IMAP Server \u003c2.3.21.1",
                  "product_id": "T036941"
                }
              },
              {
                "category": "product_version",
                "name": "IMAP Server 2.3.21.1",
                "product": {
                  "name": "Open Source Dovecot IMAP Server 2.3.21.1",
                  "product_id": "T036941-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dovecot:dovecot:imap_server__2.3.21.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Dovecot"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Oracle Linux",
            "product": {
              "name": "Oracle Linux",
              "product_id": "T004914",
              "product_identification_helper": {
                "cpe": "cpe:/o:oracle:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Oracle"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "RESF Rocky Linux",
            "product": {
              "name": "RESF Rocky Linux",
              "product_id": "T032255",
              "product_identification_helper": {
                "cpe": "cpe:/o:resf:rocky_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "RESF"
      },
      {
        "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"
      },
      {
        "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-2024-23184",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in Dovecot. Dieser Fehler besteht im IMAP-Serveaufgrund der ineffizienten Verarbeitung einer gro\u00dfen Anzahl von Adress-Headern, was zu einer \u00fcberm\u00e4\u00dfigen CPU-Intensit\u00e4t f\u00fchren kann. Ein entfernter, authentisierter Angreifer kann diese Schwachstelle ausnutzen, indem er speziell gestaltete E-Mails sendet, um einen Denial-of-Service-Zustand zu erzeugen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T000126",
          "T036941",
          "T004914",
          "T032255",
          "74185"
        ]
      },
      "release_date": "2024-08-15T22:00:00.000+00:00",
      "title": "CVE-2024-23184"
    },
    {
      "cve": "CVE-2024-23185",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in Dovecot. Dieser Fehler besteht aufgrund fehlender Gr\u00f6\u00dfenbeschr\u00e4nkungen f\u00fcr den full_value-Puffer bei der Verarbeitung sehr gro\u00dfer Header, was zu einer \u00fcberm\u00e4\u00dfigen Speichernutzung w\u00e4hrend des Parsens f\u00fchrt. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T000126",
          "T036941",
          "T004914",
          "T032255",
          "74185"
        ]
      },
      "release_date": "2024-08-15T22:00:00.000+00:00",
      "title": "CVE-2024-23185"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.