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Check: RACF-OS-000490

IBM z/OS RACF STIG: RACF-OS-000490 (in versions v8 r14 through v7 r1)

Title

IBM z/OS system administrator must develop a procedure to remove all software components after updated versions have been installed. (Cat II impact)

Discussion

Previous versions of software components that are not removed from the information system after updates have been installed may be exploited by adversaries. Some information technology products may remove older versions of software automatically from the information system.

Check Content

Ask the system administrator for the procedure to remove all software components after updated versions have been installed. If there is no procedure, this is a finding.

Fix Text

Develop a procedure to remove all software components after updated versions have been installed.

Additional Identifiers

Rule ID: SV-223803r853628_rule

Vulnerability ID: V-223803

Group Title: SRG-OS-000437-GPOS-00194

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-002617	The organization removes organization-defined software components (e.g., previous versions) after updated versions have been installed.

Controls

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

Number	Title
SI-2 (6)	Removal Of Previous Versions Of Software / Firmware