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Local initialization files must be group-owned by the users primary group or root.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22361 | GEN001870 | SV-45153r1_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-42496r1_chk ) |
|---|
| Check user home directories for local initialization files group-owned by a group other than the user's primary group or root. Procedure: # ls –a / If any file is not group-owned by root or the user's primary GID, this is a finding. |
| Fix Text (F-38549r1_fix) |
|---|
| Change the group-owner of the local initialization file to the user's primary group, or root. # chgrp Procedure: for PWLINE in $(cut -d: -f4,6 /etc/passwd); do HOMEDIR=${PWLINE##*:}; GROUP=${PWLINE%%:*}; FILES=$(find ${HOMEDIR} ! -fstype nfs -type f -name '\.*'); for INIFILE in ${FILES}; do GID=$(stat -c %g ${INIFILE}); test "$GROUP" = "${GID}" || chgrp ${GROUP} ${INIFILE}; done; done |