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


Finding ID Version Rule ID IA Controls Severity
V-234986 SLES-15-040040 SV-234986r880968_rule Low
ACLs can provide permissions beyond those permitted through the file mode and must be verified by file integrity tools.
SUSE Linux Enterprise Server 15 Security Technical Implementation Guide 2022-12-07


Check Text ( C-38174r880968_chk )
Verify that the SUSE operating system file integrity tool is configured to verify extended attributes.

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

Check the "/etc/aide.conf" file to determine if the "xattrs" 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 extended attributes are not being checked by another file integrity tool, this is a finding.
Fix Text (F-38137r619228_fix)
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.