The specific flaw exists within the parsing of TIFF images. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code under the context of an administrator.
Wecon has issued an update to correct this vulnerability. More details can be found at:
05/18/18 - ZDI disclosed the reports to ICS-CERT
|Mat Powell - Trend Micro Zero Day Initiative