STIGQter: STIG Summary: IBM z/OS RACF Security Technical Implementation Guide Version: 8 Release: 3 Benchmark Date: 23 Apr 2021:

IBM RACF must limit Write or greater access to SYS1.IMAGELIB to system programmers only.

DISA Rule

SV-223674r604139_rule

Vulnerability Number

V-223674

Group Title

SRG-OS-000080-GPOS-00048

Rule Version

RACF-ES-000260

Severity

CAT I

CCI(s)

CCI-001499 - The organization limits privileges to change software resident within software libraries.
CCI-000213 - The information system enforces approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Weight

Fix Recommendation

Configure UPDATE and/or ALLOCATE access to SYS1.IMAGELIB to be limited to system programmers only and all WRITE or greater access is logged.

Review access authorization to critical system files. Evaluate the impact of correcting the deficiency. Develop a plan of action and implement the changes as required to protect SYS1.IMAGELIB.

SYS1.IMAGELIB is automatically APF-authorized. This data set contains modules, images, tables, and character sets which are essential to system print services.

Check Contents

Execute a dataset list of access for SYS1.IMAGELIB.

If the following guidance is true, this is not a finding.

-The ACP data set rules for SYS1.IMAGELIB do not restrict WRITER or greater access to only systems programming personnel.
-The ACP data set rules for SYS1.IMAGELIB do not specify that all (i.e., failures and successes) WRITER or greater access will be logged.

IBM RACF must limit Write or greater access to SYS1.IMAGELIB to system programmers only.

DISA Rule

Vulnerability Number

Group Title

Rule Version

Severity

CCI(s)

Weight

Fix Recommendation

Check Contents

Vulnerability Number

Documentable

Rule Version

Severity Override Guidance

Check Content Reference

Target Key

Comments