(0Day) Advantech WebAccess webvrpcs Service BwWebSvc.dll ProjectName/NodeName sprintf Stack-Based Buffer Overflow Remote Code Execution Vulnerability

2016-02-05T00:00:00
ID ZDI-16-133
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 0x13C7E IOCTL in the BwOpcTool subsystem. A stack-based buffer overflow vulnerability exists in a call to sprintf using the ProjectName and NodeName parameters. An attacker can use this vulnerability to execute arbitrary code in the context of an administrator of the system.