An error occurred:

Check: GEN005500

SUSE Linux Enterprise Server v11 for System z STIG: GEN005500 (in versions v1 r12 through v1 r9)

Title

The SSH daemon must be configured to only use the SSHv2 protocol. (Cat I impact)

Discussion

SSHv1 is not a DoD-approved protocol and has many well-known vulnerability exploits. Exploits of the SSH daemon could provide immediate root access to the system.

Check Content

Locate the sshd_config file: # more /etc/ssh/sshd_config Examine the file. If the variables 'Protocol 2,1’ or ‘Protocol 1’ are defined on a line without a leading comment, this is a finding.

Fix Text

Edit the sshd_config file and set the "Protocol" setting to "2". Restart the SSH daemon. # /sbin/service sshd restart

Additional Identifiers

Rule ID: SV-45997r2_rule

Vulnerability ID: V-4295

Group Title: GEN005500

Expert Comments

Expert comments are only available to logged-in users.

CCIs

CCIs tied to check.
Number Definition
CCI-001436

The organization disables organization-defined networking protocols within the information system deemed to be nonsecure except for explicitly identified components in support of specific operational requirements.

Controls

Controls tied to check. These are derived from the CCIs shown above.
Number Title
No controls are assigned to this check