(0Day) Wecon PIStudio screendata HSC Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ID ZDI-18-1107
Type zdi
Reporter Mat Powell - Trend Micro Zero Day Initiative
Modified 2018-06-22T00:00:00


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Wecon PIStudio. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of hsc files. 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.