ubuntu-cve-2019-11356
Vulnerability from osv_ubuntu
Published
2019-06-03 20:29
Modified
2026-04-22 07:38
Summary
Details

The CalDAV feature in httpd in Cyrus IMAP 2.5.x through 2.5.12 and 3.0.x through 3.0.9 allows remote attackers to execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "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": "The CalDAV feature in httpd in Cyrus IMAP 2.5.x through 2.5.12 and 3.0.x through 3.0.9 allows remote attackers to execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name.",
  "id": "UBUNTU-CVE-2019-11356",
  "modified": "2026-04-22T07:38:58Z",
  "published": "2019-06-03T20:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11356"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1717828"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/cyrusimap/cyrus-imapd/commit/a5779db8163b99463e25e7c476f9cbba438b65f3"
    },
    {
      "type": "REPORT",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IGO43JS7IFDNITHXOOHOP6JHRKRDIYY6/"
    },
    {
      "type": "REPORT",
      "url": "https://www.cyrusimap.org/imap/download/release-notes/2.5/index.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.13.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cyrusimap.org/imap/download/release-notes/3.0/index.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.10.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4566-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-11356"
    }
  ],
  "related": [
    "USN-4566-1"
  ],
  "schema_version": "1.7.0",
  "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"
    }
  ],
  "upstream": [
    "CVE-2019-11356"
  ]
}



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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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • 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.