System Audit Logs Must Be Owned By Root
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언제든지 연락주시기 바랍니다.Description
All audit logs must be owned by root user. The path for audit log can be
configured via log_file parameter in
or by default, the path for audit log is
.
To properly set the owner of /var/log/audit/*, run the command:
$ sudo chown root /var/log/audit/*
Rationale
Unauthorized disclosure of audit records can reveal system and configuration data to
attackers, thus compromising its confidentiality.
Shell script
The following script can be run on the host to remediate the issue.
#!/bin/bash
# Remediation is applicable only in certain platforms
if dpkg-query --show --showformat='${db:Status-Status}' 'auditd' 2>/dev/null | grep -q '^installed$' && dpkg-query --show --showformat='${db:Status-Status}' 'linux-base' 2>/dev/null | grep -q '^installed$'; then
if LC_ALL=C grep -iw log_file /etc/audit/auditd.conf; then
FILE=$(awk -F "=" '/^log_file/ {print $2}' /etc/audit/auditd.conf | tr -d ' ')
chown root $FILE*
else
chown root /var/log/audit/audit.log*
fi
else
>&2 echo 'Remediation is not applicable, nothing was done'
fi
