The sslverifyserver_cert function in sql-common/client.c in MariaDB before 5.5.47, 10.0.x before 10.0.23, and 10.1.x before 10.1.10; Oracle MySQL 5.5.48 and earlier, 5.6.29 and earlier, and 5.7.11 and earlier; and Percona Server do not properly verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a "/CN=" string in a field in a certificate, as demonstrated by "/OU=/CN=bar.com/CN=foo.com."
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "mariadb-client-core-5.5-dbgsym": "5.5.47-1ubuntu0.14.04.1", "mariadb-client-core-5.5": "5.5.47-1ubuntu0.14.04.1", "libmariadbclient18": "5.5.47-1ubuntu0.14.04.1", "mariadb-server-5.5": "5.5.47-1ubuntu0.14.04.1", "libmariadbclient-dev": "5.5.47-1ubuntu0.14.04.1", "mariadb-common": "5.5.47-1ubuntu0.14.04.1", "mariadb-test-5.5-dbgsym": "5.5.47-1ubuntu0.14.04.1", "libmariadbclient18-dbgsym": "5.5.47-1ubuntu0.14.04.1", "mariadb-server-5.5-dbgsym": "5.5.47-1ubuntu0.14.04.1", "libmariadbd-dev": "5.5.47-1ubuntu0.14.04.1", "libmariadbd-dev-dbgsym": "5.5.47-1ubuntu0.14.04.1", "mariadb-test-5.5": "5.5.47-1ubuntu0.14.04.1", "mariadb-client": "5.5.47-1ubuntu0.14.04.1", "mariadb-server": "5.5.47-1ubuntu0.14.04.1", "mariadb-server-core-5.5": "5.5.47-1ubuntu0.14.04.1", "mariadb-server-core-5.5-dbgsym": "5.5.47-1ubuntu0.14.04.1", "mariadb-client-5.5-dbgsym": "5.5.47-1ubuntu0.14.04.1", "mariadb-test": "5.5.47-1ubuntu0.14.04.1", "mariadb-client-5.5": "5.5.47-1ubuntu0.14.04.1" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "mysql-testsuite-5.5": "5.5.49-0ubuntu0.14.04.1", "libmysqld-dev": "5.5.49-0ubuntu0.14.04.1", "libmysqlclient18": "5.5.49-0ubuntu0.14.04.1", "mysql-client": "5.5.49-0ubuntu0.14.04.1", "mysql-client-core-5.5": "5.5.49-0ubuntu0.14.04.1", "mysql-server-5.5-dbgsym": "5.5.49-0ubuntu0.14.04.1", "mysql-common": "5.5.49-0ubuntu0.14.04.1", "mysql-server": "5.5.49-0ubuntu0.14.04.1", "mysql-server-5.5": "5.5.49-0ubuntu0.14.04.1", "libmysqlclient18-dbgsym": "5.5.49-0ubuntu0.14.04.1", "libmysqld-pic": "5.5.49-0ubuntu0.14.04.1", "mysql-client-5.5-dbgsym": "5.5.49-0ubuntu0.14.04.1", "mysql-client-5.5": "5.5.49-0ubuntu0.14.04.1", "mysql-testsuite": "5.5.49-0ubuntu0.14.04.1", "mysql-server-core-5.5-dbgsym": "5.5.49-0ubuntu0.14.04.1", "mysql-client-core-5.5-dbgsym": "5.5.49-0ubuntu0.14.04.1", "mysql-source-5.5": "5.5.49-0ubuntu0.14.04.1", "libmysqlclient-dev": "5.5.49-0ubuntu0.14.04.1", "mysql-testsuite-5.5-dbgsym": "5.5.49-0ubuntu0.14.04.1", "mysql-server-core-5.5": "5.5.49-0ubuntu0.14.04.1" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "mysql-server-core-5.6": "5.6.30-0ubuntu0.14.04.1", "mysql-server-5.6-dbgsym": "5.6.30-0ubuntu0.14.04.1", "mysql-common-5.6": "5.6.30-0ubuntu0.14.04.1", "mysql-testsuite-5.6": "5.6.30-0ubuntu0.14.04.1", "mysql-server-core-5.6-dbgsym": "5.6.30-0ubuntu0.14.04.1", "mysql-client-core-5.6": "5.6.30-0ubuntu0.14.04.1", "mysql-testsuite-5.6-dbgsym": "5.6.30-0ubuntu0.14.04.1", "mysql-client-5.6-dbgsym": "5.6.30-0ubuntu0.14.04.1", "mysql-client-core-5.6-dbgsym": "5.6.30-0ubuntu0.14.04.1", "mysql-source-5.6": "5.6.30-0ubuntu0.14.04.1", "mysql-server-5.6": "5.6.30-0ubuntu0.14.04.1", "mysql-client-5.6": "5.6.30-0ubuntu0.14.04.1" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "mariadb-server-core-10.0-dbgsym": "10.0.23-1", "mariadb-common": "10.0.23-1", "mariadb-server-10.0-dbgsym": "10.0.23-1", "mariadb-client-10.0": "10.0.23-1", "mariadb-connect-engine-10.0": "10.0.23-1", "mariadb-client-10.0-dbgsym": "10.0.23-1", "libmariadbd-dev": "10.0.23-1", "mariadb-client": "10.0.23-1", "mariadb-client-core-10.0-dbgsym": "10.0.23-1", "mariadb-connect-engine-10.0-dbgsym": "10.0.23-1", "mariadb-server": "10.0.23-1", "libmariadbd18": "10.0.23-1", "mariadb-test-data-10.0": "10.0.23-1", "mariadb-oqgraph-engine-10.0-dbgsym": "10.0.23-1", "mariadb-server-10.0": "10.0.23-1", "mariadb-server-core-10.0": "10.0.23-1", "mariadb-test-10.0-dbgsym": "10.0.23-1", "libmariadbd18-dbgsym": "10.0.23-1", "mariadb-test": "10.0.23-1", "mariadb-test-10.0": "10.0.23-1", "mariadb-oqgraph-engine-10.0": "10.0.23-1", "mariadb-client-core-10.0": "10.0.23-1" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "mysql-client-core-5.7-dbgsym": "5.7.12-0ubuntu1", "mysql-testsuite-5.7": "5.7.12-0ubuntu1", "libmysqld-dev": "5.7.12-0ubuntu1", "mysql-client-core-5.7": "5.7.12-0ubuntu1", "mysql-client": "5.7.12-0ubuntu1", "mysql-client-5.7-dbgsym": "5.7.12-0ubuntu1", "mysql-common": "5.7.12-0ubuntu1", "mysql-server": "5.7.12-0ubuntu1", "mysql-testsuite-5.7-dbgsym": "5.7.12-0ubuntu1", "mysql-server-core-5.7": "5.7.12-0ubuntu1", "libmysqlclient20-dbgsym": "5.7.12-0ubuntu1", "mysql-server-5.7": "5.7.12-0ubuntu1", "mysql-server-core-5.7-dbgsym": "5.7.12-0ubuntu1", "mysql-testsuite": "5.7.12-0ubuntu1", "mysql-server-5.7-dbgsym": "5.7.12-0ubuntu1", "libmysqlclient20": "5.7.12-0ubuntu1", "libmysqlclient-dev": "5.7.12-0ubuntu1", "mysql-client-5.7": "5.7.12-0ubuntu1", "mysql-source-5.7": "5.7.12-0ubuntu1" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "percona-xtradb-cluster-5.6-dbg": "5.6.34-26.19-0ubuntu0.16.04.1", "percona-xtradb-cluster-source-5.6-dbgsym": "5.6.34-26.19-0ubuntu0.16.04.1", "percona-xtradb-cluster-server-5.6-dbgsym": "5.6.34-26.19-0ubuntu0.16.04.1", "percona-xtradb-cluster-server-5.6": "5.6.34-26.19-0ubuntu0.16.04.1", "percona-xtradb-cluster-server": "5.6.34-26.19-0ubuntu0.16.04.1", "percona-xtradb-cluster-source-5.6": "5.6.34-26.19-0ubuntu0.16.04.1" } ] }