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XCCDF
Oracle Linux 7 Security Technical Implementation Guide
SRG-OS-000364-GPOS-00151
The Oracle Linux operating system must be configured so that the SSH daemon does not permit Kerberos authentication unless needed.
The Oracle Linux operating system must be configured so that the SSH daemon does not permit Kerberos authentication unless needed.
An XCCDF Rule
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The Oracle Linux operating system must be configured so that the SSH daemon does not permit Kerberos authentication unless needed.
Medium Severity
<VulnDiscussion>Kerberos authentication for SSH is often implemented using Generic Security Service Application Program Interface (GSSAPI). If Kerberos is enabled through SSH, the SSH daemon provides a means of access to the system's Kerberos implementation. Vulnerabilities in the system's Kerberos implementation may then be subject to exploitation. To reduce the attack surface of the system, the Kerberos authentication mechanism within SSH must be disabled for systems not using this capability.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>