PT-2014-14: Privilege Gaining in Siemens SIMATIC WinCC
Version: 7.2 and earlier
Version: 8.0 and earlier
Severity level: Medium
Impact: Privilege Gaining
Access Vector: Remote
Base Score: 6.0
Siemens WinCC is a part of Siemens SIMATIC HMI software that aimed to provide connection between an operator and PLCs that manage technological processes.
The specialists of the Positive Research center have detected a Privilege Gaining vulnerability in SIMATIC WinCC.
The database server of SIMATIC WinCC could allow authenticated users to escalate their privileges in the database if a specially crafted command is sent to the database server at port 1433/tcp.
How to fix
Update your software up to the latest version
08.01.2014 - Vendor gets vulnerability details
23.07.2014 - Vendor releases fixed version and details
29.07.2014 - Public disclosure
The vulnerability was detected by Dmitry Nagibin and Gleb Gritsai, Positive Research Center (Positive Technologies Company)
Reports on the vulnerabilities previously discovered by Positive Research: