Title

All .rhosts, .shosts, or host.equiv files must only contain trusted host-user pairs. (Cat II impact)

Discussion

If these files are not properly configured, they could allow malicious access by unknown malicious users from untrusted hosts who could compromise the system.

Check Content

Locate and examine all .rhosts, .shosts, hosts.equiv, and shosts.equiv files. Procedure: # find / -name .rhosts # more /<directorylocation>/.rhosts # find / -name .shosts # more /<directorylocation>/.shosts # find / -name hosts.equiv # more /<directorylocation>/hosts.equiv # find / -name shosts.equiv # more /<directorylocation>/shosts.equiv If any .rhosts, .shosts, hosts.equiv, or shosts.equiv file contains anything other than host-user pairs, this is a finding.

Fix Text

Locate and examine all .rhosts, .shosts, hosts.equiv, and shosts.equiv files. Procedure: # find / -name .rhosts # more /<directorylocation>/.rhosts # find / -name .shosts # more /<directorylocation>/.shosts # find / -name hosts.equiv # more /<directorylocation>/hosts.equiv # find / -name shosts.equiv # more /<directorylocation>/shosts.equiv If any .rhosts, .shosts, hosts.equiv, or shosts.equiv file contains anything other than host-user pairs, this is a finding.

Additional Identifiers

Rule ID: SV-38438r1_rule

Vulnerability ID: V-4427

Group Title: GEN002020

Expert Comments

CCIs tied to check.

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