(PT-2015-09) Positive Technologies Security Advisory
Information Disclosure in Siemens SIMATIC STEP 7 (TIA Portal)
Vulnerable software
Siemens SIMATIC STEP 7 (TIA Portal)
Version: 13 and earlier
Link:
http://www.siemens.com/
Severity level
Severity level: Low
Impact: Information Disclosure
Access Vector: Local
CVSS v2:
Base Score: 2.1
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N)
CVE: CVE-2015-1355
Software description
Siemens SIMATIC STEP 7 (TIA Portal) is an engineering software to configure and program SIMATIC controllers and Standard PCs running WinAC RTX.
Vulnerability description
The specialists of the Positive Research center have detected an Information Disclosure vulnerability in Siemens SIMATIC STEP 7 (TIA Portal).
Device user passwords in TIA portal project files are stored using a weak hashing algorithm. Attackers with read access to the project file could possibly reconstruct the passwords for device users.
How to fix
Update your sofware up to the latest version
Advisory status
21.09.2012 - Vendor gets vulnerability details
13.02.2015 - Vendor releases fixed version and details
25.02.2015 - Public disclosure
Credits
The vulnerability was detected by Alexander Timorin, Positive Research Center (Positive Technologies Company)
References
http://en.securitylab.ru/lab/PT-2015-09
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-234789.pdf
Reports on the vulnerabilities previously discovered by Positive Research:
http://www.ptsecurity.com/research/advisory/
http://en.securitylab.ru/lab/
About Positive Technologies
Positive Technologies is a leading provider of vulnerability assessment, compliance management and threat analysis solutions to more than 1,000 global enterprise clients. Our solutions work seamlessly across your entire business: securing applications in development; assessing your network and application vulnerabilities; assuring compliance with regulatory requirements; and blocking real-time attacks. Our commitment to clients and research has earned Positive Technologies a reputation as one of the foremost authorities on SCADA, Banking, Telecom, Web Application and ERP security, and distinction as the #1 fastest growing Security and Vulnerability Management firm in 2012, as shown in an IDC report*. To learn more about Positive Technologies please visit www.ptsecurity.com
*Source: IDC Worldwide Security and Vulnerability Management 2013-2017 Forecast and 2012 Vendor Shares, doc #242465, August 2013. Based on year-over-year revenue growth in 2012 for vendors with revenues of $20M+
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