UCF STIG Viewer Logo

Files executed through a mail aliases file must have mode 0755 or less permissive.


Overview

Finding ID Version Rule ID IA Controls Severity
V-834 GEN004420 SV-834r7_rule ECLP-1 Medium
Description
If a file executed through a mail alias file has permissions greater than 0755, it can be modified by an unauthorized user and may contain malicious code or instructions possibly compromising the system.
STIG Date
Draft AIX Security Technical Implementation Guide 2011-08-17

Details

Check Text ( C-8033r2_chk )
Find the aliases file on the system.
Procedure:
# find / -name aliases -depth -print

Examine the aliases file for any directories or paths that may be utilized.
Procedure:
# more

Check the permissions for any paths referenced.
Procedure:
# ls -lL

If any file referenced from the aliases file has a mode more permissive than 0755, this is a finding.
Fix Text (F-988r3_fix)
Use the chmod command to change the access permissions for files executed from the alias file.
For example:

# chmod 0755 < filename >