CVE-2018-8897 indicate that an unexpected behavior for debug exceptions. A possibility way causes a local attacker could exploit this bug to obtain sensitive information. Regarding to my observation, this issue found on 2008 by system developer accidentally. However the dangerous issue of this vulnerability is that it is difficult to detect. It is hard to imaginate the actual status when threat actor successful re-engineering this bug transform to cyber attack. In the moment, no idea what will be the next. Should you have interest about the details, please refer below url for reference.