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Check: GEN005760

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN005760 (in versions v1 r14 through v1 r10)

Title

The NFS export configuration file must have mode 0644 or less permissive. (Cat III impact)

Discussion

Excessive permissions on the NFS export configuration file could allow unauthorized modification of the file, which could result in Denial of Service to authorized NFS exports and the creation of additional unauthorized exports.

Check Content

# ls -lL /etc/exports If the file has a mode more permissive than 0644, this is a finding.

Fix Text

# chmod 0644 /etc/exports

Additional Identifiers

Rule ID: SV-28447r1_rule

Vulnerability ID: V-929

Group Title: GEN005760

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