STIGQter STIGQter: STIG Summary: SLES 12 Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

The SUSE operating system file integrity tool must be configured to verify Access Control Lists (ACLs).

DISA Rule

SV-217150r646711_rule

Vulnerability Number

V-217150

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

SLES-12-010520

Severity

CAT III

CCI(s)

Weight

10

Fix Recommendation

Configure the SUSE operating system file integrity tool to check file and directory ACLs.

If AIDE is installed, ensure the "acl" rule is present on all file and directory selection lists.

Check Contents

Verify that the SUSE operating system file integrity tool is configured to verify ACLs.

Check to see if Advanced Intrusion Detection Environment (AIDE) is installed on the system with the following command:

> zypper if aide | grep "Installed"

Installed: Yes

If AIDE is not installed, ask the System Administrator how file integrity checks are performed on the system.

If there is no application installed to perform integrity checks, this is a finding.

Check the "aide.conf" file to determine if the "acl" rule has been added to the rule list being applied to the files and directories selection lists.

An example rule that includes the "acl" rule follows:

All= p+i+n+u+g+s+m+S+sha512+acl+xattrs+selinux
/bin All # apply the custom rule to the files in bin
/sbin All # apply the same custom rule to the files in sbin

If the "acl" rule is not being used on all selection lines in the "/etc/aide.conf" file, or ACLs are not being checked by another file integrity tool, this is a finding.

Vulnerability Number

V-217150

Documentable

False

Rule Version

SLES-12-010520

Severity Override Guidance

Verify that the SUSE operating system file integrity tool is configured to verify ACLs.

Check to see if Advanced Intrusion Detection Environment (AIDE) is installed on the system with the following command:

> zypper if aide | grep "Installed"

Installed: Yes

If AIDE is not installed, ask the System Administrator how file integrity checks are performed on the system.

If there is no application installed to perform integrity checks, this is a finding.

Check the "aide.conf" file to determine if the "acl" rule has been added to the rule list being applied to the files and directories selection lists.

An example rule that includes the "acl" rule follows:

All= p+i+n+u+g+s+m+S+sha512+acl+xattrs+selinux
/bin All # apply the custom rule to the files in bin
/sbin All # apply the same custom rule to the files in sbin

If the "acl" rule is not being used on all selection lines in the "/etc/aide.conf" file, or ACLs are not being checked by another file integrity tool, this is a finding.

Check Content Reference

M

Target Key

4033

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