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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-37271r1_rule ECLP-1 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
Red Hat Enterprise Linux 5 Security Technical Implementation Guide 2014-01-09

Details

Check Text ( C-35963r1_chk )
Check user home directories for local initialization files with extended ACLs.
# cut -d : -f 6 /etc/passwd | xargs -n1 -IDIR ls -alL DIR/.bashrc DIR/.bash_login DIR/.bash_logout DIR/.bash_profile DIR/.cshrc DIR/.kshrc DIR/.login DIR/.logout DIR/.profile DIR/.env DIR/.dtprofile DIR/.dispatch DIR/.emacs DIR/.exrc
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-31219r1_fix)
Remove the extended ACL from the file.
# setfacl --remove-all