STIGUI
V-223886CAT II — Medium severitySV-223886r998487_rule

The CA-TSS NEWPW control options must be properly set.

Rule version TSS0-ES-000130 · STIG v9 · 2026-09-01

Discussion

If the private key is stolen, this will lead to the compromise of the authentication and nonrepudiation gained through PKI because the attacker can use the private key to digitally sign documents and pretend to be the authorized user.

Satisfies: SRG-OS-000071-GPOS-00039, SRG-OS-000072-GPOS-00040, SRG-OS-000075-GPOS-00043, SRG-OS-000480-GPOS-00225, SRG-OS-000266-GPOS-00101, SRG-OS-000279-GPOS-00109

Check

From the ISPF Command Shell enter: TSS MODIFY STATUS

If the NEWPW Control Option values conform to the following requirements, this is not a finding.

NEWPW(MIN=8,WARN=10, MINDAYS=1, NR=0, ID, TS, SC, RS, FA, FN, MC, UC, LC)

NOTE: For the Option SC, the PASSCHAR control option should be set to the allowable list defined in CA Top Secret for z/OS Control Options Guide.

NOTE: For the Option RS, at a minimum use the reserved word prefix list found in the site security plan.

Fix

Note: Support of mixed case passwords can only be set when the security file has been copied by TSSXTEND with the option NEWPWBLOCK.

Configure the NEWPW Control Option values conform to the following requirements:

NEWPW(MIN=8,WARN=10, MINDAYS=1, NR=0, ID, TS, SC, RS, FA, FN, MC, UC, LC)

NOTE: For the Option SC, the PASSCHAR control option should be set to the allowable list defined in CA Top Secret for z/OS Control Options Guide.

NOTE: For the Option RS, at a minimum use the reserved word prefix list found in the site security plan.

Identifiers

Group ID
V-223886
Group title
SRG-OS-000071-GPOS-00039
Rule ID
SV-223886r998487_rule
Check ID
C-25559r516057_chk
Fix ID
F-25547r516058_fix