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PT-2013-33: CRLF Injection in Siemens Simatic WinCC TIA Portal

PT-2013-33: CRLF Injection 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: HTTP response splitting
Access Vector: Remote

CVSS v2:
Base Score: 4.3
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVE: CVE-2013-0670

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 "CRLF Injection" vulnerability in Siemens Simatic WinCC TIA Portal.

If a user clicks on a malicious link which seems to lead to a HMI web application, it is possible to display any data to the user (HTTP response splitting).

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 Artem Chaykin, Positive Research Center (Positive Technologies Company)

References

http://en.securitylab.ru/lab/PT-2013-33
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf

Reports on the vulnerabilities previously discovered by Positive Research:

http://ptsecurity.com/research/advisory/
http://en.securitylab.ru/lab/

March 21, 2023 PT-2022-05: Stored Cross-Site Scripting (XSS) Medium – (5,0)
March 21, 2023 PT-2022-04: Cross Site Template Injection (CSTI) Medium – (5,0)
March 21, 2023 PT-2022-03: Stored Cross-Site Scripting (XSS) Medium – (5,0)