PT-2018-06: Authentication Bypass in Hirschmann Automation and Control GmbH Classic Platform Switches Vulnerable products RS Version: all versions RSR Version: all versions RSB Version: all versions MACH100 Version: all versions MACH1000 Version: all versions MACH4000 Version: all versions MS Version: all versions OCTOPUS Version: all versions Link: http://www.hirschmann.com/ Severity level Severity level: High Impact: Authentication Bypass Access Vector: Remote CVSS v3: Base Score: 9.8 Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) CVE: CVE-2018-5469 Vulnerability description The specialists of the Positive Research center have detected an Authentication Bypass vulnerability in Hirschmann Automation and Control GmbH Classic Platform Switches. Vulnerability in the web interface of Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS, and OCTOPUS Classic Platform Switches, due to improper restriction of excessive authentication attempts, allows attackers to bruteforce authentication. How to fix Use the recommendations Advisory status 16.03.2017 - Vendor gets vulnerability details 06.03.2018 - Vendor releases fixed version and details 28.04.2018 - Public disclosure Credits The vulnerability was detected by Ilya Karpov, Evgeniy Druzhinin, and Damir Zainullin, Positive Research Center (Positive Technologies Company) References http://en.securitylab.ru/lab/PT-2018-06 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.
