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CVE-2019-19783 (GCVE-0-2019-19783)

Vulnerability from cvelistv5 – Published: 2019-12-16 13:06 – Updated: 2024-08-05 02:25
VLAI
Summary
An issue was discovered in Cyrus IMAP before 2.5.15, 3.0.x before 3.0.13, and 3.1.x through 3.1.8. If sieve script uploading is allowed (3.x) or certain non-default sieve options are enabled (2.x), a user with a mail account on the service can use a sieve script containing a fileinto directive to create any mailbox with administrator privileges, because of folder mishandling in autosieve_createfolder() in imap/lmtp_sieve.c.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE
  • n/a
Assigner
References
URL Tags
https://www.cyrusimap.org/imap/download/release-n… x_refsource_MISC
https://www.cyrusimap.org/imap/download/release-n… x_refsource_MISC
https://seclists.org/bugtraq/2019/Dec/38 mailing-listx_refsource_BUGTRAQ
https://www.debian.org/security/2019/dsa-4590 vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/202006-23 vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/4566-1/ vendor-advisoryx_refsource_UBUNTU
Show details on NVD website
To clipboard 

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                    "vulnerable": true
                  },
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                    "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
                    "vulnerable": true
                  }
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              }
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          {
            "nodes": [
              {
                "cpeMatch": [
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                    "criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
                    "matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
                    "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33",
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          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "An issue was discovered in Cyrus IMAP before 2.5.15, 3.0.x before 3.0.13, and 3.1.x through 3.1.8. If sieve script uploading is allowed (3.x) or certain non-default sieve options are enabled (2.x), a user with a mail account on the service can use a sieve script containing a fileinto directive to create any mailbox with administrator privileges, because of folder mishandling in autosieve_createfolder() in imap/lmtp_sieve.c."
          },
          {
            "lang": "es",
            "value": "Se detect\u00f3 un problema en Cyrus IMAP versiones anteriores a 2.5.15, versiones 3.0.x antes de 3.0.13 y versiones 3.1.x hasta 3.1.8. Si la carga de script tamizado est\u00e1 permitida (versiones 3.x) o ciertas opciones de tamizado no predeterminadas est\u00e1n habilitadas (versiones 2.x), un usuario con una cuenta de correo en el servicio puede usar un script tamizado que contiene un archivo en la directiva para crear cualquier buz\u00f3n con el administrador privilegios, debido a un manejo inapropiado de la carpeta en la funci\u00f3n autosieve_createfolder() en el archivo imap/lmtp_sieve.c."
          }
        ],
        "id": "CVE-2019-19783",
        "lastModified": "2024-11-21T04:35:22.613",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "NONE",
                "baseScore": 3.5,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 6.8,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2019-12-16T14:15:12.257",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DIV4HQ6LG5GPRO4B5Z2NHCZUPBUVVVF/"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IGOO5UGEBBDPN7B2YXLK7I7L3Y35EBA/"
          },
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            "source": "cve@mitre.org",
            "tags": [
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            ],
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          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.gentoo.org/glsa/202006-23"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/4566-1/"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch",
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.15.html"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
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              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.13.html"
          },
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            "source": "cve@mitre.org",
            "tags": [
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DIV4HQ6LG5GPRO4B5Z2NHCZUPBUVVVF/"
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IGOO5UGEBBDPN7B2YXLK7I7L3Y35EBA/"
          },
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            "tags": [
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              "Third Party Advisory"
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          },
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              "Patch",
              "Release Notes",
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          },
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            "tags": [
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              "Release Notes",
              "Vendor Advisory"
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          },
          {
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            "tags": [
              "Third Party Advisory"
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            "url": "https://www.debian.org/security/2019/dsa-4590"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-269"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T16:52:42+00:00",
      "cve": "CVE-2019-19783",
      "id": "CVE-2019-19783",
      "initial_release_date": "2019-12-19T00:00:00+00:00",
      "product_status:fixed": "34",
      "product_status:known_affected": "8",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "cyrus-imapd: lmtpd component created mailboxes with administrator privileges if the \"fileinto\" was used, bypassing ACL checks",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-19783.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T01:47:06Z",
      "cve": "CVE-2019-19783",
      "id": "CVE-2019-19783",
      "initial_release_date": "2023-02-15T04:05:51Z",
      "product_status:known_not_affected": "15",
      "product_status:recommended": "13",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-19783",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-19783.json",
      "version": "10"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.