PT-2013-85: Open Redirect in Siemens SIMATIC S7-1500 CPU PLC

Vulnerable platform

Siemens SIMATIC S7-1500 CPU PLC
Version: 1.1.x and earlier

Link:
http://www.siemens.com/

Severity level

Severity level: Medium
Impact: Redirect users to arbitrary web sites
Access Vector: Remote

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

CVE: CVE-2014-2248

Platform description

Siemens SIMATIC S7-1500 - controllers featuring high efficiency in data processing, integrated technological functions of Motion Control, PID control and the use of high-speed counters…

Vulnerability description

The specialists of the Positive Research center have detected an Open Redirect vulnerability in Siemens SIMATIC S7-1500 CPU PLC.

The integrated web server (port 80/tcp and port 443/tcp) of the affected device might allow attackers to redirect users to untrusted websites.

How to fix

Update your firmware up to the latest version

Advisory status

05.08.2013 - Vendor gets vulnerability details
12.03.2014 - Vendor releases fixed version and details
25.03.2014 - Public disclosure

Credits

The vulnerability was detected by Ilya Karpov, Positive Research Center (Positive Technologies Company)

References

<http://en.securitylab.ru/lab/PT-2013-85&gt;
<http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdf&gt;[](&lt;http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-342587.pdf&gt;)
<https://ics-cert.us-cert.gov/advisories/ICSA-14-073-01&gt;[](&lt;https://ics-cert.us-cert.gov/advisories/ICSA-14-035-01&gt;)

Reports on the vulnerabilities previously discovered by Positive Research:

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