System files and directories must not have uneven access permissions.

From SOLARIS 10 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE

Part of GEN001140

Associated with IA controls: ECCD-2, ECCD-1

Associated with: CCI-000225

SV-39833r1_rule System files and directories must not have uneven access permissions.

Vulnerability discussion

Discretionary access control is undermined if users, other than a file owner, have greater access permissions to system files and directories than the owner.

Check content

Check system directories for uneven file permissions. Procedure: # ls -lL /etc /bin /usr/bin /usr/ucb /sbin /usr/sbin Uneven file permissions exist if the file owner has less permissions than the group or other user classes. If any of the files in the above listed directories contain uneven file permissions, this is a finding.

Fix text

Change the mode of files with uneven permissions so owners do not have less permission than group or world users.

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