(Pwn2Own) Rockwell Automation FactoryTalk View SE Project File Parsing Out-Of-Bounds Access Remote Code Execution Vulnerability

June 22nd, 2020
ZDI-20-731 ZDI-CAN-10270

CVE ID

CVE-2020-12031

CVSS Score

7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors

Rockwell Automation

Affected Products

FactoryTalk View SE

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Rockwell Automation FactoryTalk View SE. 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 project files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process.

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/1126944

Disclosure Timeline

  • 2020-03-26 - Vulnerability reported to vendor
  • 2020-06-22 - Coordinated public release of advisory
  • 2021-06-29 - Advisory Updated

Credit

Tobias Scharnowski (@ScepticCtf), Niklas Breitfeld (@brymko), Ali Abbasi (@bl4ckic3), researchers at the Chair for Systems Security (SysSec) at Ruhr-University Bochum

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