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V-239532

CAT II (Medium)

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

Rule ID

SV-239532r662047_rule

STIG

VMware vRealize Operations Manager 6.x SLES Security Technical Implementation Guide

Version

V2R2

CCIs

CCI-000382

Discussion

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 that could compromise the system.

Check Content

Examine the contents of the "/etc/aliases" file:

# more /etc/aliases

Examine the aliases file for any directories or paths that may be utilized:

# ls -lL <file referenced from aliases>

Check the permissions for any paths referenced. 

If any file referenced from the aliases file has a mode more permissive than "0755", this is a finding.

Fix Text

Use the chmod command to change the access permissions for files executed from the alias file:

# chmod 0755 <file referenced from aliases>