Host-based authentication for login-based services must be disabled.

From Solaris 11 X86 Security Technical Implementation Guide

Associated with: CCI-000366

SV-60985r2_rule Host-based authentication for login-based services must be disabled.

Vulnerability discussion

The use of .rhosts authentication is an insecure protocol and can be replaced with public-key authentication using Secure Shell. As automatic authentication settings in the .rhosts files can provide a malicious user with sensitive system credentials, the use of .rhosts files should be disabled.

Check content

Note: This is the location for Solaris 11.1. For earlier versions, the information is in /etc/pam.conf. Determine if host-based authentication services are enabled. # grep -vc '^#' /etc/pam.conf /etc/pam.d/* | grep 'pam_rhosts_auth.so.1' If the returned result is not 0 (zero), this is a finding.

Fix text

Note: This is the location for Solaris 11.1. For earlier versions, the information is in /etc/pam.conf. The root role is required. # ls -l /etc/pam.d to identify the various configuration files used by PAM. Search each file for the pam_rhosts_auth.so.1 entry. # grep pam_rhosts_auth.so.1 [filename] Identify the file with the line pam_hosts_auth.so.1 in it. # pfedit [filename] Insert a comment character (#) at the beginning of the line containing pam_hosts_auth.so.1

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