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Check: GEN005140

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN005140 (in versions v1 r14 through v1 r10)

Title

Any active TFTP daemon must be authorized and approved in the system accreditation package. (Cat I impact)

Discussion

TFTP is a file transfer protocol often used by embedded systems to obtain configuration data or software. The service is unencrypted and does not require authentication of requests. Data available using this service may be subject to unauthorized access or interception.

Check Content

Determine if the TFTP daemon is active. # grep -v "^#" /etc/inetd.conf |grep tftp If TFTP is found enabled, it is a finding if it is not documented using site-defined procedures.

Fix Text

Disable the TFTP daemon. Edit /etc/inetd.conf and comment out the tftp line. Restart the inetd service. # refresh -s inetd

Additional Identifiers

Rule ID: SV-39193r1_rule

Vulnerability ID: V-4695

Group Title: GEN005140

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