Title

The SSH daemon must not permit GSSAPI authentication unless needed. (Cat III impact)

Discussion

GSSAPI authentication is used to provide additional authentication mechanisms to applications. Allowing GSSAPI authentication through SSH exposes the system’s GSSAPI to remote hosts, increasing the attack surface of the system. GSSAPI authentication must be disabled unless needed.

Check Content

Fix Text

Edit the SSH daemon configuration and set (add if necessary) a GSSAPIAuthentication directive set to no.

Additional Identifiers

Rule ID: SV-26766r1_rule

Vulnerability ID: V-22473

Group Title: GEN005524

Expert Comments

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