CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
5.3%
Vulnerable software
Siemens SIMATIC STEP 7 (TIA Portal)
Version: 13 and earlier
Links:
http://www.siemens.com/
Severity level
Severity level: Low
Impact: Information Disclosure
Access Vector: Local
CVSS v2:
Base Score: 1.9
Vector: (AV:L/AC:M/Au:N/C:P/I:N/A:N)
CVE: CVE-2016-7960
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).
Siemens SIMATIC STEP 7 (TIA Portal) uses an improper format for managing TIA project files during version updates, which makes it easier for local users to obtain sensitive configuration information.
How to fix
Update your software up to the latest version
Advisory status
15.01.2015 - Vendor gets vulnerability details
12.10.2016 - Vendor releases fixed version and details
03.11.2016 - Public disclosure
Credits
The vulnerability was detected by Dmitry Sklyarov, Positive Research Center (Positive Technologies Company)
References
http://en.securitylab.ru/lab/PT-2016-14
https://www.siemens.com/
Reports on the vulnerabilities previously discovered by Positive Research:
http://www.ptsecurity.com
<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+
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
5.3%