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XCCDF
SLES 12 Security Technical Implementation Guide
SRG-OS-000480-GPOS-00227
The SUSE operating system SSH daemon must prevent remote hosts from connecting to the proxy display.
The SUSE operating system SSH daemon must prevent remote hosts from connecting to the proxy display.
An XCCDF Rule
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The SUSE operating system SSH daemon must prevent remote hosts from connecting to the proxy display.
Medium Severity
<VulnDiscussion>When X11 forwarding is enabled, there may be additional exposure to the server and client displays if the sshd proxy display is configured to listen on the wildcard address. By default, sshd binds the forwarding server to the loopback address and sets the hostname part of the DIPSLAY environment variable to localhost. This prevents remote hosts from connecting to the proxy display.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>