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The SSH daemon must not allow compression or must only allow compression after successful authentication.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22488 | GEN005539 | SV-26787r1_rule | ECSC-1 | Medium |
| Description |
|---|
| If compression is allowed in an SSH connection prior to authentication, vulnerabilities in the compression software could result in compromise of the system from an unauthenticated connection, potentially with root privileges. |
| STIG | Date |
|---|---|
| SOLARIS 9 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2015-03-25 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-24036r1_fix) |
|---|
| Edit the SSH daemon configuration and add or edit the Compression setting value to no or delayed. |