wid-sec-w-2022-0389
Vulnerability from csaf_certbund
Published
2021-08-31 22:00
Modified
2025-01-23 23:00
Summary
cyrus imapd: Schwachstelle ermöglicht 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
Cyrus IMAPD ist ein Mail server, der IMAP, POP3, NNTP und Sieve Unterstützung bietet.
Angriff
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in cyrus imapd 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": "Cyrus IMAPD ist ein Mail server, der IMAP, POP3, NNTP und Sieve Unterst\u00fctzung bietet.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in cyrus imapd 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-2022-0389 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0389.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0389 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0389"
      },
      {
        "category": "external",
        "summary": "Cyrus IMAP 3.4.2 Release Notes vom 2021-08-31",
        "url": "https://www.cyrusimap.org/imap/download/release-notes/3.4/x/3.4.2.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3493 vom 2021-09-13",
        "url": "https://access.redhat.com/errata/RHSA-2021:3493"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3492 vom 2021-09-13",
        "url": "https://access.redhat.com/errata/RHSA-2021:3492"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-3492 vom 2021-09-14",
        "url": "http://linux.oracle.com/errata/ELSA-2021-3492.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3546 vom 2021-09-15",
        "url": "https://access.redhat.com/errata/RHSA-2021:3546"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2021-1725 vom 2021-12-10",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2021-1725.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2022-1559 vom 2022-01-20",
        "url": "https://alas.aws.amazon.com/ALAS-2022-1559.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3052 vom 2022-06-20",
        "url": "https://lists.debian.org/debian-lts-announce/2022/06/msg00013.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-7224-1 vom 2025-01-23",
        "url": "https://ubuntu.com/security/notices/USN-7224-1"
      }
    ],
    "source_lang": "en-US",
    "title": "cyrus imapd: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2025-01-23T23:00:00.000+00:00",
      "generator": {
        "date": "2025-01-24T09:04:40.946+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.10"
        }
      },
      "id": "WID-SEC-W-2022-0389",
      "initial_release_date": "2021-08-31T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-08-31T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-09-12T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-09-13T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-09-14T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-12-09T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2022-01-19T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2022-02-10T23:00:00.000+00:00",
          "number": "7",
          "summary": "Referenz(en) aufgenommen: FEDORA-2022-C30B1A8AA3"
        },
        {
          "date": "2022-02-13T23:00:00.000+00:00",
          "number": "8",
          "summary": "Referenz(en) aufgenommen: FEDORA-2022-D45BCC5447"
        },
        {
          "date": "2022-06-19T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2025-01-23T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        }
      ],
      "status": "final",
      "version": "10"
    }
  },
  "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": "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_version_range",
                "name": "\u003c3.4.2",
                "product": {
                  "name": "Open Source cyrus imapd \u003c3.4.2",
                  "product_id": "T020284"
                }
              },
              {
                "category": "product_version",
                "name": "3.4.2",
                "product": {
                  "name": "Open Source cyrus imapd 3.4.2",
                  "product_id": "T020284-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cyrus:imap:3.4.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c3.2.8",
                "product": {
                  "name": "Open Source cyrus imapd \u003c3.2.8",
                  "product_id": "T020285"
                }
              },
              {
                "category": "product_version",
                "name": "3.2.8",
                "product": {
                  "name": "Open Source cyrus imapd 3.2.8",
                  "product_id": "T020285-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cyrus:imap:3.2.8"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c3.0.16",
                "product": {
                  "name": "Open Source cyrus imapd \u003c3.0.16",
                  "product_id": "T020286"
                }
              },
              {
                "category": "product_version",
                "name": "3.0.16",
                "product": {
                  "name": "Open Source cyrus imapd 3.0.16",
                  "product_id": "T020286-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cyrus:imap:3.0.16"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "cyrus imapd"
          }
        ],
        "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": "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": "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-2021-33582",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in cyrus imapd. Bestimmte Nutzereingaben werden als Hash-Table Keys genutzt. Aufgrund eines ung\u00fcnstig gew\u00e4hlten Hashverfahrens kann durch die Eingabe bestimmt werden, in welchem \"Bucket\" die Eingabe gespeichert wird. Ein Angreifer kann durch speziell gestaltete Eingaben daf\u00fcr sorgen, dass diese in demselben \"Bucket\" gespeichert werden. Bei einer gro\u00dfen Anzahl solcher Eingaben verbraucht der Dienst viele CPU Ressourcen, was zu einem Denial of Service Zustand f\u00fchrt."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "67646",
          "T000126",
          "398363",
          "T004914",
          "T020286",
          "T020285",
          "T020284"
        ]
      },
      "release_date": "2021-08-31T22:00:00.000+00:00",
      "title": "CVE-2021-33582"
    }
  ]
}


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.