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Check: GEN001730

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN001730 (in versions v1 r14 through v1 r10)

Title

All global initialization files must not have extended ACLs. (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 for extended ACLs. Procedure: #aclget /etc/profile /etc/bashrc /etc/csh.login /etc/csh.cshrc /etc/environment /etc/.login /etc/security/environ /etc/security/.profile Check if extended permissions are disabled. If extended permissions are not disabled, this is a finding.

Fix Text

Remove the extended ACL from the global initialization file(s) and disable extended permissions. #acledit <directory>/<file>

Additional Identifiers

Rule ID: SV-38734r1_rule

Vulnerability ID: V-22356

Group Title: GEN001730

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000225	Employ the principle of least privilege, allowing only authorized accesses for users (or processes acting on behalf of users) which are necessary to accomplish assigned organizational tasks.

Controls

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

Number	Title
AC-6	Least Privilege