Unused database components, DBMS software, and database objects must be removed.

From IBM DB2 V10.5 LUW Security Technical Implementation Guide

Part of SRG-APP-000141-DB-000091

Associated with: CCI-000381

SV-89153r1_rule Unused database components, DBMS software, and database objects must be removed.

Vulnerability discussion

Information systems are capable of providing a wide variety of functions and services. Some of the functions and services, provided by default, may not be necessary to support essential organizational operations (e.g., key missions, functions).It is detrimental for software products to provide, or install by default, functionality exceeding requirements or mission objectives. DBMSs must adhere to the principles of least functionality by providing only essential capabilities.

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On UNIX/LINUX, run the db2ls command to find all install paths of DB2 on the system: $db2ls Run the db2ls command to find installed features of database on install paths: $db2ls -q -b If there are installed features which are not required by the mission objectives and are non-essential, this is a finding. On Windows, go to Registry Editor in Windows. Then select Computer >> HKEY_LOCAL_MACHINE >> SOFTWARE >> IBM >> DB2 >> COMPONENTS If there are installed features which are not required by the mission objectives and are non-essential, this is a finding. Example: db2ls -q -b /opt/ibm/db2/V10.5 Install Path : /opt/ibm/db2/V10.5 Feature Response File ID Level Fix Pack Feature Description ---------------------------------------------------------------------------------------------------- BASE_CLIENT 10.5.0.7 7 Base client support JAVA_SUPPORT 10.5.0.7 7 Java support SQL_PROCEDURES 10.5.0.7 7 SQL procedures BASE_DB2_ENGINE 10.5.0.7 7 Base server support CONNECT_SUPPORT 10.5.0.7 7 Connect support DB2_DATA_SOURCE_SUPPORT 10.5.0.7 7 DB2 data source support SPATIAL_EXTENDER_SERVER_SUPPORT 10.5.0.7 7 Spatial Extender server support JDK 10.5.0.7 7 IBM Software Development Kit (SDK) for Java(TM) LDAP_EXPLOITATION 10.5.0.7 7 DB2 LDAP support INSTANCE_SETUP_SUPPORT 10.5.0.7 7 DB2 Instance Setup wizard ACS 10.5.0.7 7 Integrated Flash Copy Support SPATIAL_EXTENDER_CLIENT_SUPPORT 10.5.0.7 7 Spatial Extender client COMMUNICATION_SUPPORT_TCPIP 10.5.0.7 7 Communication support - TCP/IP APPLICATION_DEVELOPMENT_TOOLS 10.5.0.7 7 Base application development tools DB2_UPDATE_SERVICE 10.5.0.7 7 DB2 Update Service REPL_CLIENT 10.5.0.7 7 Replication tools TEXT_SEARCH 10.5.0.7 7 DB2 Text Search INFORMIX_DATA_SOURCE_SUPPORT 10.5.0.7 7 Informix data source support ORACLE_DATA_SOURCE_SUPPORT 10.5.0.7 7 Oracle data source support FIRST_STEPS 10.5.0.7 7 First Steps GUARDIUM_INST_MNGR_CLIENT 10.5.0.7 7 Guardium Installation Manager Client

Fix text

On UNIX/Linux, run the following db2_deinstall command to remove the non-essential features: $db2_deinstall –F Note: The db2_deinstall command is located at DB2DIR/install, where DB2DIR is the location where the current version of the DB2 database product is installed. (If uncertain of the value to provide for DB2DIR, find it using the db2level command. On Windows, run the db2unins command to remove one or more db2 product, feature or languages. >>-db2unins –p product (to remove db2 product) or >>-db2unins –u response-file (to remove db2 product, feature or languages.) Note: Use the following URL to access the knowledgebase documentation on the db2_deinstall command: http://www.ibm.com/support/knowledgecenter/en/SSEPGG_10.5.0/com.ibm.db2.luw.admin.cmd.doc/doc/r0023670.html Use the following URL to access the knowledgebase documentation on the db2unins command: http://www-01.ibm.com/support/knowledgecenter/SSEPGGman db2__10.5.0/com.ibm.db2.luw.admin.cmd.doc/doc/r0023371.html?lang=en

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