STIGQter STIGQter: STIG Summary: IBM z/OS TSS Security Technical Implementation Guide Version: 8 Release: 2 Benchmark Date: 23 Apr 2021:

The IBM z/OS operating system must enforce a minimum eight-character password length.

DISA Rule

SV-223892r561402_rule

Vulnerability Number

V-223892

Group Title

SRG-OS-000078-GPOS-00046

Rule Version

TSS0-ES-000190

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Evaluate the impact associated with implementation of the control option. Develop a plan of action to implement the control option setting as specified and proceed with the change.

(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 to 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.

Check Contents

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.

Vulnerability Number

V-223892

Documentable

False

Rule Version

TSS0-ES-000190

Severity Override Guidance

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.

Check Content Reference

M

Target Key

4102

Comments