Check: GEN002200

SUSE Linux Enterprise Server v11 for System z STIG: GEN002200 (in versions v1 r12 through v1 r9)

All shell files must be owned by root or bin. (Cat II impact)

If shell files are owned by users other than root or bin, they could be modified by intruders or malicious users to perform unauthorized actions.

Check the ownership of the system shells. # cat /etc/shells | xargs -n1 ls -l If any shell is not owned by root or bin, this is a finding.

Change the ownership of the shell with incorrect ownership. # chown root <shell>

Rule ID: SV-45172r1_rule

Vulnerability ID: V-921

Group Title: GEN002200

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CCIs tied to check.

Number	Definition
CCI-000225	The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions.

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

Number	Title
AC-6	Least Privilege