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Check: GEN003320

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN003320 (in versions v1 r14 through v1 r10)

Title

Default system accounts (with the exception of root) must not be listed in the at.allow file or must be included in the at.deny file if the at.allow file does not exist. (Cat II impact)

Discussion

Default accounts, such as bin, sys, adm, uucp, daemon, and others, should never have access to the at facility. This would create a possible vulnerability open to intruders or malicious users.

Check Content

# more /var/adm/cron/at.allow If default accounts (such as bin, sys, adm, and others) are listed in the at.allow file, this is a finding.

Fix Text

Remove the default accounts (such as bin, sys, adm, and others) from the at.allow file.

Additional Identifiers

Rule ID: SV-27385r1_rule

Vulnerability ID: V-986

Group Title: GEN003320

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000225	The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions.

Controls

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

Number	Title
AC-6	Least Privilege