PT-2013-83: Arbitrary HTML Injection 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: Arbitrary HTML Injection
Access Vector: Remote

CVSS v2:
Base Score: 5.8
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:P)

CVE: CVE-2014-2247

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 Arbitrary HTML Injection 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 inject HTML headers.

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 Yury Goltsev, Positive Research Center (Positive Technologies Company)

References

http://en.securitylab.ru/lab/PT-2013-83
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-14-073-01

Reports on the vulnerabilities previously discovered by Positive Research:

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

Threatscape
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