It was discovered that Dovecot incorrectly handled certain authentications. An attacker could possibly use this to cause a denial of service.
{
"binaries": [
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-core"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-dev"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-gssapi"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-imapd"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-ldap"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-lmtpd"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-managesieved"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-mysql"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-pgsql"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-pop3d"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-sieve"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-solr"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "dovecot-sqlite"
},
{
"binary_version": "1:2.2.9-1ubuntu2.3",
"binary_name": "mail-stack-delivery"
}
],
"availability": "No subscription required"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3556-1.json"
{
"cves": [
{
"id": "CVE-2017-15132",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:14.04:LTS"
}
{
"binaries": [
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-core"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-dev"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-gssapi"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-imapd"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-ldap"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-lmtpd"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-lucene"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-managesieved"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-mysql"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-pgsql"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-pop3d"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-sieve"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-solr"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "dovecot-sqlite"
},
{
"binary_version": "1:2.2.22-1ubuntu2.6",
"binary_name": "mail-stack-delivery"
}
],
"availability": "No subscription required"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3556-1.json"
{
"cves": [
{
"id": "CVE-2017-15132",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}