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The nobody access for RPC encryption key storage service must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-48089 | SOL-11.1-040320 | SV-60961r2_rule | Medium |
| Description |
|---|
| If login by the user "nobody" is allowed for secure RPC, there is an increased risk of system compromise. If keyserv holds a private key for the "nobody" user, it will be used by key_encryptsession to compute a magic phrase which can be easily recovered by a malicious user. |
| STIG | Date |
|---|---|
| Solaris 11 X86 Security Technical Implementation Guide | 2020-05-21 |
Details
| Check Text ( C-50521r2_chk ) |
|---|
| Determine if the rpc-authdes package is installed: # pkg list solaris/legacy/security/rpc-authdes If the output of this command is: pkg list: no packages matching 'solaris/legacy/security/rpc-authdes' installed no further action is required. Determine if "nobody" access for keyserv is enabled. # grep "^ENABLE_NOBODY_KEYS=" /etc/default/keyserv If the output of the command is not: ENABLE_NOBODY_KEYS=NO this is a finding. |
| Fix Text (F-51697r2_fix) |
|---|
| Determine if the rpc-authdes package is installed: # pkg list solaris/legacy/security/rpc-authdes If the output of this command is: pkg list: no packages matching 'solaris/legacy/security/rpc-authdes' installed no further action is required. The root role is required. Modify the /etc/default/keyserv file. # pfedit /etc/default/keyserv Locate the line: #ENABLE_NOBODY_KEYS=YES Change it to: ENABLE_NOBODY_KEYS=NO |