(Pwn2Own) Schneider Electric EcoStructure Operator Terminal Expert VXDZ Arbitrary Library Load Remote Code Execution Vulnerability
Vulnerability Details
The vulnerability allows remote attackers to execute arbitrary code on affected installations of Schneider Electric EcoStructure Operator Terminal Expert. 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 with the handling of VXDZ files. A crafted project file can allow the loading of an arbitrary DLL. An attacker can leverage this vulnerability to execute code in the context of the current process.
Additional Details
Schneider Electric has issued an update to correct this vulnerability. More details can be found at:
https://www.se.com/ww/en/download/document/SEVD-2020-133-04/
Disclosure Timeline
- 2020-01-30 - Vulnerability reported to vendor
- 2020-05-14 - Coordinated public release of advisory
Credit
Sharon Brizinov, Amir Preminger of Claroty Research
