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Local initialization files must not have extended ACLs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22362 | GEN001890 | SV-45156r1_rule | Medium |
| Description |
|---|
| Local 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-42499r1_chk ) |
|---|
| Check user home directories for local initialization files with extended ACLs. # for HOMEDIR in $(cut -d: -f6 /etc/passwd); do find ${HOMEDIR} -type f -name '\.*' | xargs ls -ld | grep '\+'; done 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-38552r1_fix) |
|---|
| Remove the extended ACL from the file. # setfacl --remove-all |