(0Day) Advantech WebAccess webvrpcs Service viewdll1.dll strcpy Heap-Based Buffer Overflow Remote Code Execution Vulnerability

2016-02-05T00:00:00
ID ZDI-16-132
Type zdi
Reporter Anonymous
Modified 2016-11-09T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable instances of Advantech WebAccess. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the implementation of the 0x13C80 IOCTL in the BwOpcTool subsystem. A heap-based buffer overflow vulnerability exists in a call to strcpy using a string in a NamedObject structure within the input. An attacker can use this vulnerability to execute arbitrary code in the context of an administrator of the system.