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Check: ACF2-ES-000840

IBM z/OS ACF2 STIG: ACF2-ES-000840 (in versions v8 r15 through v8 r2)

Title

ACF2 PSWD GSO record value must be set to require at least one upper-case character be used. (Cat II impact)

Discussion

Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks.

Check Content

From the ISPF Command Shell enter: ACF to enter ACF2 Command shell enter SET CONTROL(GSO) LIST PSWD If NOPSWDUC is listed, this is a finding.

Fix Text

Configure the GSO option "PSWDUC" to "YES".

Additional Identifiers

Rule ID: SV-223501r695426_rule

Vulnerability ID: V-223501

Group Title: SRG-OS-000069-GPOS-00037

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000192	The information system enforces password complexity by the minimum number of upper case characters used.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
IA-5 (1)	Password-Based Authentication