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Check: GEN005100

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN005100 (in versions v1 r14 through v1 r10)

Title

The TFTP daemon must have mode 0755 or less permissive. (Cat I impact)

Discussion

If TFTP runs with the setuid or setgid bit set, it may be able to write to any file or directory and may seriously impair system integrity, confidentiality, and availability.

Check Content

Check the mode of the TFTP daemon. Procedure: # find / -name "*tftpd" -print # ls -lL <file location> If the mode of the file is more permissive than 0755, this is a finding.

Fix Text

Change the mode of the TFTP daemon. Procedure: # chmod 0755 <tftp server>

Additional Identifiers

Rule ID: SV-848r2_rule

Vulnerability ID: V-848

Group Title: GEN005100

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