AIX must disable /usr/bin/rcp, /usr/bin/rlogin, /usr/bin/rsh, /usr/bin/rexec and /usr/bin/telnet commands.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-215322 | AIX7-00-003005 | SV-215322r987796_rule | CCI-000197 | high |
| Description | ||||
| The listed applications permit the transmission of passwords in plain text. Alternative applications such as SSH, which encrypt data, should be use instead. | ||||
| STIG | Date | |||
| IBM AIX 7.x Security Technical Implementation Guide | 2024-08-16 | |||
Details
Check Text (C-215322r987796_chk)
From the command prompt, execute the following commands:
# ls -l /usr/bin/rcp | awk '{print $1}'
# ls -l /usr/bin/rlogin | awk '{print $1}'
# ls -l /usr/bin/rsh | awk '{print $1}'
# ls -l /usr/bin/telnet | awk '{print $1}'
# ls -l /usr/bin/rexec | awk '{print $1}'
Each of the above commands should return with the following permissions:
----------
If the permissions are more permissive, this is a finding.
Fix Text (F-16518r294418_fix)
Use the chmod command to remove all permissions on these commands:
# chmod ugo= /usr/bin/rcp
# chmod ugo= /usr/bin/rlogin
# chmod ugo= /usr/bin/rsh
# chmod ugo= /usr/bin/rexec
# chmod ugo= /usr/bin/telnet