STIGQter: STIG Summary: Solaris 10 SPARC Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 22 Jan 2021:

The sshd server must bind the X11 forwarding server to the loopback address.

DISA Rule

SV-233304r603292_rule

Vulnerability Number

V-233304

Group Title

SRG-OS-000480

Rule Version

GEN005202

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

The root role is required.

Modify the sshd_config file.

# vi /etc/ssh/sshd_config

Locate the line containing:

X11UseLocalhost

Change it to:

X11UseLocalhost yes

Restart the SSH service.

# svcadm restart svc:/network/ssh

Check Contents

Determine if the X11 forwarding server is bound to the loopback address.

# grep "^X11UseLocalhost" /etc/ssh/sshd_config

If the output of this command is not “X11UseLocalhost yes”, this is a finding.

Vulnerability Number

V-233304

Documentable

False

Rule Version

GEN005202

Severity Override Guidance

Determine if the X11 forwarding server is bound to the loopback address.

# grep "^X11UseLocalhost" /etc/ssh/sshd_config

If the output of this command is not “X11UseLocalhost yes”, this is a finding.

Check Content Reference

M

Target Key

4060

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