This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fatek Automation FvDesigner. 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 FPJ files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.
08/26/22 – ZDI reported the vulnerability to the vendor.
08/29/22 – The vendor acknowledged the report.
05/12/23 – ZDI inquired about an email regarding a possible patch from November of 2022, but we were informed by the vendor that we were copied by mistake.
05/15/23 – ZDI asked for an update.
05/24/23 – The ZDI informed the vendor that the case will be published as a zero-day advisory on 05/31/23.
-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the application.