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Check: GEN005100

SUSE Linux Enterprise Server v11 for System z STIG: GEN005100 (in versions v1 r12 through v1 r9)

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: # grep "server " /etc/xinetd.d/tftp # ls -lL <in.tftpd binary> 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 <in.tftpd binary>

Additional Identifiers

Rule ID: SV-45902r1_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