|CVSS SCORE||7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)|
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Wecon LeviStudioU. 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 handling of UMP files. When parsing the PLC element, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of Administrator.
This vulnerability is being disclosed publicly without a patch in accordance with the ZDI 120 day deadline.
07/12/18 – ZDI provided the reports to ICS-CERT