Title

The rexecd service must not be running. (Cat I impact)

Discussion

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.

Check Content

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

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

Additional Identifiers

Rule ID: SV-217987r603264_rule

Vulnerability ID: V-217987

Group Title: SRG-OS-000033

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.