(Pwn2Own) Rockwell Automation FactoryTalk View SE RegisterEDSFiles Directory Traversal Remote Code Execution Vulnerability

2020-06-22T00:00:00
ID ZDI-20-734
Type zdi
Reporter Sharon Brizinov, Amir Preminger of Claroty Research
Modified 2020-06-23T00:00:00

Description

This vulnerability allows remote attackers to create arbitrary files on affected installations of Rockwell Automation FactoryTalk View SE. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of fileName parameter in the RegisterEDSFiles tag. The issue results in the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.