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AIX must automatically remove or disable temporary user accounts after 72 hours or sooner.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-215170AIX7-00-001001SV-215170r958364_ruleCCI-000016medium
Description
If temporary user accounts remain active when no longer needed or for an excessive period, these accounts may be used to gain unauthorized access. To mitigate this risk, automated termination of all temporary accounts must be set upon account creation. Temporary accounts are established as part of normal account activation procedures when there is a need for short-term accounts without the demand for immediacy in account activation. If temporary accounts are used, the operating system must be configured to automatically terminate these types of accounts after a DoD-defined time period of 72 hours. To address access requirements, many operating systems may be integrated with enterprise-level authentication/access mechanisms that meet or exceed access control policy requirements.
STIGDate
IBM AIX 7.x Security Technical Implementation Guide2024-08-16

Related Frameworks

1 mapping across 3 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

IAC-15.2Removal of Temporary / Emergency Accounts
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (48) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-17(10)Authenticate Remote Commands
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(10)Shared and Group Account Credential Change
1.00
AC-2(11)Usage Conditions
1.00
AC-2(2)Automated Temporary and Emergency Account Management
1.00
AC-2(3)Disable Accounts
1.00
AC-2(4)Automated Audit Actions
1.00
AC-3Access Enforcement
1.00
AC-4Information Flow Enforcement
1.00
AC-6(10)Prohibit Non-privileged Users from Executing Privileged Functions
1.00

+38 more (top 10 by confidence shown)

CCI1 mapping
CCI-000016
1.00

Details

Check Text (C-215170r958364_chk)

From the command prompt, execute the following command: # lsuser -a expires tmp_user The above command should yield the following output: tmp_user expires=0 Or tmp_user expires=1215103116 The "expires" value is in "MMDDhhmmyy" form, or the value is "0". If "expires" value is "0", or the expiration time is greater than "72" hours from the user creation time, this is a finding.

Fix Text (F-16366r293962_fix)

From the command prompt, execute the following command to set the expiration time to 72 hours from now: # chuser expires=1218103116 tmp_user From the command prompt, execute the following command: # lsuser -a expires tmp_user The above command should yield the following output: tmp_user expires=1218103116