(Pwn2Own) Rockwell Automation FactoryTalk View SE RegisterEDSFiles Directory Traversal Remote Code Execution Vulnerability
Vulnerability Details
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.
Additional Details
Rockwell Automation has issued an update to correct this vulnerability. More details can be found at:
https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1126945
Disclosure Timeline
- 2020-01-30 - Vulnerability reported to vendor
- 2020-06-22 - Coordinated public release of advisory
Credit
Sharon Brizinov, Amir Preminger of Claroty Research
