CVE-2019-18665: Directory Traversal in DOMOS


  • Vendor: SECUDOS GmbH
  • Product: DOMOS
  • Version: 5.5
  • Vulnerability: Directory Traversal
  • Fixed Version: 5.6


DOMOS is an own and hardened operating system of SCUDOS GmbH. The operating system is used as a platform by several applications. It also offers a web interface for the administration of operating system settings.

Issue Description

While analyzing the implementation of the DOMOS web interface, one directory traversal vulnerability has been identified, which can be exploited in order to read session_id´s from other registered users and this can lead to a session hijacking of those users. This vulnerability can be exploited by authenticated attackers with access to the web interface.

Please consider the following complete HTTP-Request:

The following HTTP response include the password hashes from the /etc/shadow:




CVSSv3 Base Score

CVSS Base Score: 6.5



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The contents of this advisory are copyright (c) 2019 SVA System Vertrieb Alexander GmbH and may be distributed freely provided that no fee is charged for this distribution and proper credit is given.


Pascal Keul