Schneider-Electric ClearSCADA ServerMain.exe OPF File Parsing Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Schneider-Electric ClearSCADA. 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 OPF files. The issue lies in a failure to validate a length specifier before using it as an index into an array. An attacker can leverage this vulnerability to execute code under the context of the current process.