The rexecd service must not be running.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-50559	OL6-00-000216	SV-64765r1_rule		High

Description
The rexec service uses unencrypted network communications, which means that data from the login session, including passwords and all other information transmitted during the session, can be stolen by eavesdroppers on the network.

STIG	Date
Oracle Linux 6 Security Technical Implementation Guide	2016-12-20

Details

Check Text ( C-53081r1_chk )
To check that the "rexec" service is disabled in system boot configuration, run the following command: # chkconfig "rexec" --list Output should indicate the "rexec" service has either not been installed, or has been disabled, as shown in the example below: # chkconfig "rexec" --list rexec off OR error reading information on service rexec: No such file or directory If the service is running, this is a finding.

Check Text ( C-53081r1_chk )

To check that the "rexec" service is disabled in system boot configuration, run the following command:

# chkconfig "rexec" --list

Output should indicate the "rexec" service has either not been installed, or has been disabled, as shown in the example below:

# chkconfig "rexec" --list
rexec off
OR
error reading information on service rexec: No such file or directory

If the service is running, this is a finding.

Fix Text (F-55357r1_fix)
The "rexec" service, which is available with the "rsh-server" package and runs as a service through xinetd, should be disabled. The "rexec" service can be disabled with the following command: # chkconfig rexec off