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The SSH client must not permit GSSAPI authentication unless needed.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22474 | GEN005525 | SV-40715r1_rule | ECSC-1 | Low |
| Description |
|---|
| 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. |
| STIG | Date |
|---|---|
| AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2016-07-22 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-34574r1_fix) |
|---|
| Edit the /etc/ssh/ssh_config file and remove the GSSAPIAuthentication setting or change the GSSAPIAuthentication setting to "no". |