Details

If the system were to allow any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process.

Accordingly, only qualified and authorized individuals shall be allowed to obtain access to information system components for purposes of initiating changes, including upgrades and modifications.

Unmanaged changes that occur to the database software libraries or configuration can lead to unauthorized or compromised installations.

Solution

Remove the write permission from non-root, non-sysadmin users on the DB2 installation base directory and instance home directory.

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_IBM_DB2_V10-5_V1R4_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.

References

• 800-53|CM-5(6)
• CAT|II
• CCI|CCI-001499
• Rule-ID|SV-89141r1_rule
• STIG-ID|DB2X-00-002900
• Vuln-ID|V-74467

Source

• Tenable.com/audits