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PT-2013-79: Relative path traversal in SIMATIC WinCC Open Architecture

PT-2013-79: Relative path traversal in SIMATIC WinCC Open Architecture

Vulnerable platform

SIMATIC WinCC Open Architecture
Version: 3.12 and earlier

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

Severity level

Severity level: Medium
Impact: Access to Sensitive Information
Access Vector: Remote

CVSS v2:
Base Score: 5.0
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVE: CVE-2014-1698

Platform description

SIMATIC WinCC Open Architecture is a SCADA system for visualizing and operating processes, production flows, machines and plants in all lines of business.

Vulnerability description

The specialists of the Positive Research center have detected a Relative path traversal vulnerability in SIMATIC WinCC Open Architecture.

The SIMATIC WinCC OA integrated Web server at Port 4999/TCP might allow attackers to traverse through the server’s file system based on the application’s Windows user permissions by sending specially crafted packets over the network without authentication.

How to fix

Update your software up to the latest version

Advisory status

01.12.2013 - Vendor gets vulnerability details
03.02.2014 - Vendor releases fixed version and details
14.02.2014 - Public disclosure

Credits

The vulnerability was detected by Kirill Nesterov, Positive Research Center (Positive Technologies Company)

References

http://en.securitylab.ru/lab/PT-2013-79
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-342587.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-14-035-01

Reports on the vulnerabilities previously discovered by Positive Research:

http://www.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)