Schneider Electric EcoStruxure Operator Terminal Expert VXDZ File Parsing Code Injection Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Schneider Electric EcoStruxure 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 within the processing of of VXDZ files while in simulation mode. When parsing name:value pairs in configuation data, the process does not properly validate a user-supplied string before executing it as code. An attacker can leverage this vulnerability to execute code in the context of the current user.
Additional Details
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-164-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-164-01.pdf&_ga=2.140486835.1846662606.1686683693-1425362997.1686683693
https://www.cisa.gov/news-events/ics-advisories/icsa-23-180-02
Disclosure Timeline
- 2023-01-24 - Vulnerability reported to vendor
- 2023-08-15 - Coordinated public release of advisory
- 2023-09-20 - Advisory Updated
Credit
Daan Keuper & Thijs Alkemade from Computest
