Vulnerability CVE-2015-3156


Published: 2017-08-11

Description:
The _write_config function in trove/guestagent/datastore/experimental/mongodb/service.py, reset_configuration function in trove/guestagent/datastore/experimental/postgresql/service/config.py, write_config function in trove/guestagent/datastore/experimental/redis/service.py, _write_mycnf function in trove/guestagent/datastore/mysql/service.py, InnoBackupEx::_run_prepare function in trove/guestagent/strategies/restore/mysql_impl.py, InnoBackupEx::cmd function in trove/guestagent/strategies/backup/mysql_impl.py, MySQLDump::cmd in trove/guestagent/strategies/backup/mysql_impl.py, InnoBackupExIncremental::cmd function in trove/guestagent/strategies/backup/mysql_impl.py, _get_actual_db_status function in trove/guestagent/datastore/experimental/cassandra/system.py and trove/guestagent/datastore/experimental/cassandra/service.py, and multiple class CbBackup methods in trove/guestagent/strategies/backup/experimental/couchbase_impl.py in Openstack DBaaS (aka Trove) as packaged in Openstack before 2015.1.0 (aka Kilo) allows local users to write to configuration files via a symlink attack on a temporary file.

 References:
https://bugs.launchpad.net/trove/+bug/1398195
https://bugzilla.redhat.com/show_bug.cgi?id=1216073
https://github.com/openstack/trove/blob/master/trove/guestagent/datastore/experimental/cassandra/service.py#L230
https://github.com/openstack/trove/blob/master/trove/guestagent/datastore/experimental/mongodb/service.py#L176
https://github.com/openstack/trove/blob/master/trove/guestagent/datastore/experimental/redis/service.py#L236
https://github.com/openstack/trove/blob/master/trove/guestagent/datastore/mysql/service.py#L790
https://github.com/openstack/trove/blob/master/trove/guestagent/strategies/backup/experimental/couchbase_impl.py#L30
https://github.com/openstack/trove/blob/master/trove/guestagent/strategies/backup/mysql_impl.py#L110
https://github.com/openstack/trove/blob/master/trove/guestagent/strategies/backup/mysql_impl.py#L36
https://github.com/openstack/trove/blob/master/trove/guestagent/strategies/backup/mysql_impl.py#L55
https://github.com/openstack/trove/blob/master/trove/guestagent/strategies/restore/mysql_impl.py#L194

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