CVE-2017-12069

https://notcve.org/view.php?id=CVE-2017-12069

An XXE vulnerability has been identified in OPC Foundation UA .NET Sample Code before 2017-03-21 and Local Discovery Server (LDS) before 1.03.367. Among the affected products are Siemens SIMATIC PCS7 (All versions V8.1 and earlier), SIMATIC WinCC (All versions < V7.4 SP1), SIMATIC WinCC Runtime Professional (All versions < V14 SP1), SIMATIC NET PC Software, and SIMATIC IT Production Suite. By sending specially crafted packets to the OPC Discovery Server at port 4840/tcp, an attacker might cause the system to access various resources chosen by the attacker. Se ha identificado una vulnerabilidad XXE en OPC Foundation UA .NET Sample Code antes del 21-03-2017 y Local Discovery Server (LDS) antes de la versión 1.03.367. Los siguientes productos se han visto afectados por esta vulnerabilidad, entre otros: Siemens SIMATIC PCS7 (todas las versiones V8.1 y anteriores), SIMATIC WinCC (todas las versiones anteriores a V7.4 SP1), SIMATIC WinCC Runtime Professional (todas las versiones anteriores a V14 SP1), SIMATIC NET PC Software y SIMATIC IT Production Suite. • http://www.securityfocus.com/bid/100559 http://www.securitytracker.com/id/1039510 https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2017-12069.pdf https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-535640.pdf • CWE-611: Improper Restriction of XML External Entity Reference •