UBUNTU-CVE-2019-3814

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Source

https://ubuntu.com/security/CVE-2019-3814

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3814.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2019-3814

Upstream

CVE-2019-3814

Downstream

USN-3881-1

Related

USN-3881-1
USN-3881-2

Published

2019-02-05T13:00:00Z

Modified

2025-09-08T16:45:14Z

Severity

6.8 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
7.7 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.

References

Affected packages

Ubuntu:14.04:LTS / dovecot

Package

Name: dovecot
Purl: pkg:deb/ubuntu/dovecot@1:2.2.9-1ubuntu2.5?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:2.2.9-1ubuntu2.5

Affected versions

1:2.*

1:2.1.7-7ubuntu3

1:2.2.9-1ubuntu1

1:2.2.9-1ubuntu2

1:2.2.9-1ubuntu2.1

1:2.2.9-1ubuntu2.3

1:2.2.9-1ubuntu2.4

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "dovecot-core",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-dev",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-gssapi",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-imapd",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-ldap",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-lmtpd",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-managesieved",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-mysql",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-pgsql",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-pop3d",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-sieve",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-solr",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "dovecot-sqlite",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        },
        {
            "binary_name": "mail-stack-delivery",
            "binary_version": "1:2.2.9-1ubuntu2.5"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / dovecot

Package

Name: dovecot
Purl: pkg:deb/ubuntu/dovecot@1:2.2.22-1ubuntu2.9?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:2.2.22-1ubuntu2.9

Affected versions

1:2.*

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

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "dovecot-core",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-dev",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-gssapi",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-imapd",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-ldap",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-lmtpd",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-lucene",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-managesieved",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-mysql",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-pgsql",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-pop3d",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-sieve",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-solr",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "dovecot-sqlite",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        },
        {
            "binary_name": "mail-stack-delivery",
            "binary_version": "1:2.2.22-1ubuntu2.9"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / dovecot

Package

Name: dovecot
Purl: pkg:deb/ubuntu/dovecot@1:2.2.33.2-1ubuntu4.2?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:2.2.33.2-1ubuntu4.2

Affected versions

1:2.*

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

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "dovecot-core",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-dev",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-gssapi",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-imapd",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-ldap",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-lmtpd",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-managesieved",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-mysql",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-pgsql",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-pop3d",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-sieve",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-solr",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "dovecot-sqlite",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        },
        {
            "binary_name": "mail-stack-delivery",
            "binary_version": "1:2.2.33.2-1ubuntu4.2"
        }
    ],
    "availability": "No subscription required"
}