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All global initialization files must not have extended ACLs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22356 | GEN001730 | SV-45102r1_rule | Medium |
| Description |
|---|
| Global initialization files are used to configure the user's shell environment upon login. Malicious modification of these files could compromise accounts upon logon. |
| STIG | Date |
|---|---|
| SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide | 2018-09-19 |
Details
| Check Text ( C-42459r1_chk ) |
|---|
| Check global initialization files for extended ACLs: # ls -l /etc/bash.bashrc /etc/csh.cshrc /etc/csh.login /etc/environment /etc/ksh.kshrc /etc/profile /etc/profile.d/* /etc/zshrc 2>/dev/null|grep "\+ " If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding. |
| Fix Text (F-38501r1_fix) |
|---|
| Remove the extended ACL from the file. # ls -l /etc/bash.bashrc /etc/csh.cshrc /etc/csh.login /etc/environment /etc/ksh.kshrc /etc/profile /etc/profile.d/* /etc/zshrc 2>/dev/null|grep "\+ "| awk '{ print $8}' xargs setfacl --remove-all |