What’s Vulnerable › Vulnerabilities

CVE-2015-3156

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-08-11 · updated 2026-06-17
• Weakness: CWE-59

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.

Affected products

• OpenStack Trove: through 2014.2.4

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
• https://bugs.launchpad.net/trove/+bug/1398195

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