ubuntu-cve-2019-11499
Vulnerability from osv_ubuntu
Published
2019-04-30 12:00
Modified
2025-07-16 04:54
Summary
Details

In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login component crashes if AUTH PLAIN is attempted over a TLS secured channel with an unacceptable authentication message.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "dovecot-core",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-core-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-dbg",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-dev",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-dev-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-gssapi",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-gssapi-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-imapd",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-imapd-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-ldap",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-ldap-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-lmtpd",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-lmtpd-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-lucene",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-lucene-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-managesieved",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-managesieved-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-mysql",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-mysql-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-pgsql",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-pgsql-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-pop3d",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-pop3d-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-sieve",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-sieve-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-solr",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-solr-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-sqlite",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "dovecot-sqlite-dbgsym",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          },
          {
            "binary_name": "mail-stack-delivery",
            "binary_version": "1:2.2.22-1ubuntu2.10"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "dovecot",
        "purl": "pkg:deb/ubuntu/dovecot@1:2.2.22-1ubuntu2.10?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.2.22-1ubuntu2.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.2.18-2ubuntu2",
        "1:2.2.22-1ubuntu1",
        "1:2.2.22-1ubuntu2",
        "1:2.2.22-1ubuntu2.1",
        "1:2.2.22-1ubuntu2.2",
        "1:2.2.22-1ubuntu2.3",
        "1:2.2.22-1ubuntu2.4",
        "1:2.2.22-1ubuntu2.6",
        "1:2.2.22-1ubuntu2.7",
        "1:2.2.22-1ubuntu2.8",
        "1:2.2.22-1ubuntu2.9"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "dovecot-core",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-core-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-dev",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-gssapi",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-gssapi-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-imapd",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-imapd-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-ldap",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-ldap-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-lmtpd",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-lmtpd-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-managesieved",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-managesieved-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-mysql",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-mysql-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-pgsql",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-pgsql-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-pop3d",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-pop3d-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-sieve",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-sieve-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-solr",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-solr-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-sqlite",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "dovecot-sqlite-dbgsym",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          },
          {
            "binary_name": "mail-stack-delivery",
            "binary_version": "1:2.2.33.2-1ubuntu4.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "dovecot",
        "purl": "pkg:deb/ubuntu/dovecot@1:2.2.33.2-1ubuntu4.3?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.2.33.2-1ubuntu4.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.2.27-3ubuntu1",
        "1:2.2.33.2-1ubuntu1",
        "1:2.2.33.2-1ubuntu2",
        "1:2.2.33.2-1ubuntu3",
        "1:2.2.33.2-1ubuntu4",
        "1:2.2.33.2-1ubuntu4.1",
        "1:2.2.33.2-1ubuntu4.2"
      ]
    }
  ],
  "aliases": [],
  "details": "In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login component crashes if AUTH PLAIN is attempted over a TLS secured channel with an unacceptable authentication message.",
  "id": "UBUNTU-CVE-2019-11499",
  "modified": "2025-07-16T04:54:37Z",
  "published": "2019-04-30T12:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11499"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3961-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-11499"
    }
  ],
  "related": [
    "USN-3961-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-11499"
  ],
  "withdrawn": "2025-07-18T16:45:08Z"
}



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Nomenclature

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