Siemens SIMATIC WinCC HMI Web Server Multiple Input Validation Vulnerabilities

BID:51836

Info

Siemens SIMATIC WinCC HMI Web Server Multiple Input Validation Vulnerabilities

Bugtraq ID: 51836
Class: Input Validation Error
CVE: CVE-2011-4512
CVE-2011-4878
CVE-2011-4879
Remote: Yes
Local: No
Published: Feb 02 2012 12:00AM
Updated: Apr 18 2012 09:20PM
Credit: ICS-CERT
Vulnerable: Siemens SIMATIC WinCC flexible Runtime 0
Siemens SIMATIC WinCC Flexible 2008
Siemens SIMATIC WinCC Flexible 2007
Siemens SIMATIC WinCC Flexible 2005
Siemens SIMATIC WinCC Flexible 2004
Siemens SIMATIC WinCC (TIA Portal) Runtime Advanced 0
Siemens SIMATIC WinCC V11
Siemens SIMATIC WinCC 0
Siemens SIMATIC HMI Panels 0
Not Vulnerable:

Discussion

Siemens SIMATIC WinCC HMI Web Server Multiple Input Validation Vulnerabilities

Siemens SIMATIC WinCC is prone to an HTTP-header-injection issue, a directory-traversal issue, and an arbitrary memory-read access issue because the application fails to properly sanitize user-supplied input.

A remote attacker can exploit these issues to gain elevated privileges, obtain sensitive information, or cause denial-of-service conditions.

Exploit / POC

Siemens SIMATIC WinCC HMI Web Server Multiple Input Validation Vulnerabilities

Attackers can use a browser to exploit these issues.

Solution / Fix

Siemens SIMATIC WinCC HMI Web Server Multiple Input Validation Vulnerabilities

Solution:
Updates are available. Please see the references for more information.

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