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The file integrity tool must be configured to verify ACLs.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22507 GEN006570 SV-35185r1_rule ECAT-1 Low
Description
ACLs can provide permissions beyond those permitted through the file mode and must be verified by file integrity tools.
STIG Date
HP-UX 11.31 Security Technical Implementation Guide 2018-09-14

Details

Check Text ( C-35029r1_chk )
Ask the SA if the file integrity tool is configured to monitor directories and files for ACL settings. If using the Advanced Intrusion Detection Environment (AIDE) tool, verify the configuration file (aide.conf) contains the ACL option for all monitored files and directories. See the following example.

# find / -type f -name aide.conf | xargs -n1 ls -lL

# cat /aide.conf | tr '\011' ' ' | tr -s ' ' | sed -e 's/^[ \t]*//' |grep -v "^#" | \
egrep -i "^acl = |acl"

If the option is not present, this is a finding.

If using a different file integrity tool, check the configuration per tool the vendor's documentation.
Fix Text (F-30321r1_fix)
If using AIDE, edit the configuration and add the ACL option for all monitored files and directories.

If using a different file integrity tool, configure ACL checking per the tool vendor's documentation.