Check: GEN004360
AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE:
GEN004360
(in versions v1 r14 through v1 r10)
Title
The alias file must be owned by root. (Cat II impact)
Discussion
If the alias file is not owned by root, an unauthorized user may modify the file to add aliases to run malicious code or redirect email.
Check Content
Check the ownership of the alias file. Procedure: # ls -lL /etc/mail/aliases If the file is not owned by root, this is a finding.
Fix Text
Change the owner of the /etc/mail/aliases file (or equivalent, such as /usr/lib/aliases) to root. Procedure: # chown root /etc/mail/aliases
Additional Identifiers
Rule ID: SV-40836r1_rule
Vulnerability ID: V-831
Group Title: GEN004360
Expert Comments
Expert comments are only available to logged-in users.
CCIs
CCIs tied to check.
| Number | Definition |
|---|---|
| CCI-000225 |
Employ the principle of least privilege, allowing only authorized accesses for users (or processes acting on behalf of users) which are necessary to accomplish assigned organizational tasks. |
Controls
Controls tied to check. These are derived from the CCIs shown above.
| Number | Title |
|---|---|
| AC-6 |
Least Privilege |