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IBM z/OS, for PKI-based authentication, must use the ESM to store keys.


Overview

Finding ID Version Rule ID IA Controls Severity
V-98167 RACF-ES-000830 SV-107271r2_rule Medium
Description
If the private key is discovered, an attacker can use the key to authenticate as an authorized user and gain access to the network infrastructure.
STIG Date
IBM z/OS RACF Security Technical Implementation Guide 2020-06-29

Details

Check Text ( C-97003r2_chk )
From the ISPF Command Shell enter:
OMVS
enter
find / -name *.kdb

If any files are found, this is a finding.
Fix Text (F-103843r2_fix)
Define all Keys/Certificates to the security database.

Remove the all .kdb files.