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Check: GEN001394 M6

MACOSX 10.6: GEN001394 M6 (in version v1 r3)

Title

The /etc/group file must not have an extended ACL. (Cat II impact)

Discussion

The /etc/group file is critical to system security and must be protected from unauthorized modification. The group file contains a list of system groups and associated information.

Check Content

Open a terminal session and enter the following command to view the /etc/group file extended ACLs. ls -lL /etc/group If the permissions include a '+', the file has an extended ACL, this is a finding.

Fix Text

Open a terminal session and enter the following command to remove the extended ACLs. chmod -N /etc/group

Additional Identifiers

Rule ID: SV-38093r1_rule

Vulnerability ID: V-22338

Group Title:

Expert Comments

Expert comments are only available to logged-in users.

CCIs

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

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

Number	Title
AC-6	Least Privilege