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Check: GEN001720

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN001720 (in versions v1 r14 through v1 r10)

Title

All global initialization files must have mode 0644 or less permissive. (Cat II impact)

Discussion

Global initialization files are used to configure the user's shell environment upon login. Malicious modification of these files could compromise accounts upon logon.

Check Content

Check global initialization files permissions: # ls -l /etc/.login /etc/profile /etc/bashrc /etc/environment /etc/security/environ /etc/security/.profile /etc/csh.login /etc/csh.cshrc If global initialization files are more permissive than 0644, this is a finding.

Fix Text

Change the mode of the global initialization file(s) to 0444. # chmod 0444 <global initialization file>

Additional Identifiers

Rule ID: SV-38882r1_rule

Vulnerability ID: V-11981

Group Title: GEN001720

Expert Comments

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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