PT-2018-26: Information Disclosure in MatrikonOPC Explorer Vulnerable software MatrikonOPC Explorer Version: 5.0 and earlier Link: https://www.paessler.com/prtg Severity level Severity level: Medium Impact: Data leak Access Vector: Local CVSS v3: Base Score: 6.1 Vector: (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L) CVE: CVE-2018-8714 Vulnerability description The specialists of the Positive Research center have detected an Information Disclosure vulnerability in MatrikonOPC Explorer. A vulnerability in MatrikonOPC Explorer, related to MSXML libraries, allows attackers to transfer arbitrary files from a host system and obtain sensitive information. How to fix Update your software up to the latest version Advisory status 20.02.2015 - Vendor gets vulnerability details 02.04.2018 - Vendor releases fixed version and details 07.12.2018 - Public disclosure Credits The vulnerability was detected by Ilya Karpov, Positive Research Center (Positive Technologies Company) References http://en.securitylab.ru/lab/PT-2018-26 https://www.opcsupport.com/s/article/SECURITY-NOTIFICATION-OPC-Explorer-SN-2017-04-27-01 https://ics-cert.us-cert.gov/advisories/ICSA-18-130-01 Reports on the vulnerabilities previously discovered by Positive Research: https://www.ptsecurity.com/ https://en.securitylab.ru/lab/ About Positive Technologies Positive Technologies is a leading digital security firm with over 15 years of experience in 360° protection of critical IT systems against the most advanced cyberthreats. State-of-the-art solutions are developed at the company's research center—one of the largest in Europe. Positive Technologies experts have helped to identify and fix over 250 zero-day vulnerabilities in products from Cisco, Google, Honeywell, Huawei, Microsoft, Oracle, SAP, Schneider Electric, Siemens, and others, earning a reputation for world-class expertise in protection of devices and infrastructures at all scales from ATMs to nuclear power stations. Findings by Positive Technologies researchers are used for updating the MaxPatrol knowledge base and for development of security solutions including PT Application Firewall, PT Application Inspector, MaxPatrol. These products allow securing web applications, evaluating network protection, blocking attacks in real time, ensuring compliance with industry and national standards, and training security specialists. Positive Technologies is the organizer of the annual Positive Hack Days international forum and security competition.