usn-4566-1
Vulnerability from osv_ubuntu
Published
2020-10-05 17:25
Modified
2026-04-22 07:36
Summary
cyrus-imapd vulnerabilities
Details

It was dicovered that Cyrus IMAP Server could execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name. An attacker could use this vulnerability to cause a crash or possibly execute arbitrary code. (CVE-2019-11356)

It was discovered that the Cyrus IMAP Server allow users to create any mailbox with administrative privileges. A local attacker could use this to obtain sensitive information. (CVE-2019-19783)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-11356",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-19783",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "cyrus-admin",
            "binary_version": "2.5.10-3ubuntu1.1"
          },
          {
            "binary_name": "cyrus-caldav",
            "binary_version": "2.5.10-3ubuntu1.1"
          },
          {
            "binary_name": "cyrus-clients",
            "binary_version": "2.5.10-3ubuntu1.1"
          },
          {
            "binary_name": "cyrus-common",
            "binary_version": "2.5.10-3ubuntu1.1"
          },
          {
            "binary_name": "cyrus-imapd",
            "binary_version": "2.5.10-3ubuntu1.1"
          },
          {
            "binary_name": "cyrus-murder",
            "binary_version": "2.5.10-3ubuntu1.1"
          },
          {
            "binary_name": "cyrus-nntpd",
            "binary_version": "2.5.10-3ubuntu1.1"
          },
          {
            "binary_name": "cyrus-pop3d",
            "binary_version": "2.5.10-3ubuntu1.1"
          },
          {
            "binary_name": "cyrus-replication",
            "binary_version": "2.5.10-3ubuntu1.1"
          },
          {
            "binary_name": "libcyrus-imap-perl",
            "binary_version": "2.5.10-3ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "cyrus-imapd",
        "purl": "pkg:deb/ubuntu/cyrus-imapd@2.5.10-3ubuntu1.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.5.10-3ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.5.10-3build1",
        "2.5.10-3build2",
        "2.5.10-3ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was dicovered that Cyrus IMAP Server could execute arbitrary code via a\ncrafted HTTP PUT operation for an event with a long iCalendar property name.\nAn attacker could use this vulnerability to cause a crash or possibly execute\narbitrary code. (CVE-2019-11356)\n\nIt was discovered that the Cyrus IMAP Server allow users to create any\nmailbox with administrative privileges. A local attacker could use this to\nobtain sensitive information. (CVE-2019-19783)\n",
  "id": "USN-4566-1",
  "modified": "2026-04-22T07:36:58Z",
  "published": "2020-10-05T17:25:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4566-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11356"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-19783"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "cyrus-imapd vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2019-11356",
    "UBUNTU-CVE-2019-19783"
  ]
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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