A file integrity tool must be used at least weekly to check for unauthorized file changes, particularly the addition of unauthorized system libraries or binaries, or for unauthorized modification to authorized system libraries or binaries.

A file integrity tool must be used at least weekly to check for unauthorized file changes, particularly the addition of unauthorized system libraries or binaries, or for unauthorized modification to authorized system libraries or binaries.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-11945	GEN000220	SV-28610r1_rule	DCSL-1	Medium

Description
Changes in system libraries and binaries can indicate compromise or significant system events, such as patching needing to be checked by automated processes and the results reviewed by the SA. NOTE: For MAC I systems, increase the frequency to daily.

STIG	Date
UNIX SRG	2013-03-26

Details

Check Text ( C-28849r2_chk )
Determine if there is a cron job, scheduled to run weekly or more frequently, to run the file integrity tool to check for unauthorized system libraries or binaries, or unauthorized modification to authorized system libraries or binaries. Procedure: # crontab -l If there is no cron job meeting these requirements, this is a finding. NOTE: For MAC I systems, increase the frequency to daily.

Fix Text (F-25883r2_fix)
Create a cron job, scheduled to run weekly or more frequently, to run the file integrity tool to check for unauthorized system libraries or binaries, or unauthorized modification to authorized system libraries or binaries. NOTE: For MAC I systems, increase the frequency to daily.