PT-2013-31: Cross-Site Scripting in Siemens Simatic WinCC TIA Portal

Vulnerable software

Siemens Simatic WinCC TIA Portal
Version: 11.x

Application link:
http://www.siemens.com/

Severity level

Severity level: Medium
Impact: Cross-Site Scripting
Access Vector: Remote

CVSS v2:
Base Score: 4.0
Vector: (AV:N/AC:L/Au:S/C:N/I:P/A:N)

CVE: CVE-2013-0672

Software description

WinCC TIA Portal is part of a new, integrated engineering concept which offers a uniform engineering environment for programming and configuration of control, visualization and drive solutions.

Vulnerability description

The specialists of the Positive Research center have detected “Cross-Site Scripting” vulnerability in Siemens Simatic WinCC TIA Portal.

The HMI’s web application is susceptible to stored Cross-Site-Scripting attacks. An authenticated user may store data on the web application, which will execute malicious JavaScript code, when other users access the affected page.

How to fix

Update your software up to the latest version

Advisory status

21.09.2012 - Vendor gets vulnerability details
15.03.2013 - Vendor releases fixed version and details
29.03.2013 - Public disclosure

Credits

The vulnerability was discovered by Sergey Bobrov, Positive Research Center (Positive Technologies Company)

References

<http://en.securitylab.ru/lab/PT-2013-31&gt;
<http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf&gt;

Reports on the vulnerabilities previously discovered by Positive Research:

<http://ptsecurity.com/research/advisory/&gt;
<http://en.securitylab.ru/lab/&gt;