Red Hat has released security updates to address a vulnerability in its Dynamic Host Configuration Protocol (DHCP) client packages for Red Hat Enterprise Linux 6 and 7. An attacker could exploit this vulnerability to take control of an affected system. See whether below command syntax will be the root cause of this problem?
For more details, please refer below url for reference.
Bug 1567974 – (CVE-2018-1111) – Command injection vulnerability in the DHCP client NetworkManager integration script