Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior (.NET 4.5, 4.0, and 3.5 Framework versions only) are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.
<p>An information disclosure vulnerability exists when the .NET Framework improperly handles objects in memory. An attacker who successfully exploited the vulnerability could disclose contents of an affected system's memory.</p>
<p>To exploit the vulnerability, an authenticated attacker would need to run a specially crafted application.</p>
<p>The update addresses the vulnerability by correcting how the .NET Framework handles objects in memory.</p>