USN-3881-1

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Source
https://ubuntu.com/security/notices/USN-3881-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3881-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-3881-1
Upstream
Related
Published
2019-02-05T13:42:02.104387Z
Modified
2025-07-16T08:53:54.466263Z
Summary
dovecot vulnerability
Details

It was discovered that Dovecot 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 

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

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 

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

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 

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