The SSH client must be configured to not use Cipher-Block Chaining (CBC) based ciphers.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22462 | GEN005511 | SV-35193r1_rule | ECSC-1 | Medium |
| Description |
|---|
| The CBC mode of encryption as implemented in the SSHv2 protocol is vulnerable to chosen plaintext attacks and must not be used. |
| STIG | Date |
|---|---|
| HP-UX 11.31 Security Technical Implementation Guide | 2017-01-27 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-32008r1_fix) |
|---|
| Edit the configuration file and remove any ciphers other than those with the "aes" prefix and the "-ctr" suffix. |