Title

Permissions on user . (hidden) files must be 750 or less permissive. (Cat II impact)

Discussion

Group-writable or world-writable user configuration files may enable malicious users to steal or modify other users' data or to gain another user's system privileges.

Check Content

The root role is required. Ensure that the permissions on user "." files are 750 or less permissive. # for dir in \ `logins -ox | awk -F: '($8 == "PS") { print $6 }'`; do find ${dir}/.[A-Za-z0-9]* \! -type l \ \( -perm -0001 -o -perm -0002 -o -perm -0004 -o -perm -0020 \) -ls done If output is produced, this is a finding.

Fix Text

The root role is required. Change the permissions on users' "." files to 750 or less permissive. # chmod 750 [file name]

Additional Identifiers

Rule ID: SV-216419r793026_rule

Vulnerability ID: V-216419

Group Title: SRG-OS-000480

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.