PT-2013-32: Directory Traversal in Siemens Simatic WinCC TIA Portal Vulnerable softwareSiemens Simatic WinCC TIA Portal Version: 11.x Application link: http://www.siemens.com/Severity levelSeverity level: Medium Impact: Directory Traversal Access Vector: Remote CVSS v2: Base Score: 4.0 Vector: (AV:N/AC:L/Au:S/C:N/I:N/A:P)CVE: CVE-2013-0671Software descriptionWinCC TIA Portal is part of a new, integrated engineering concept which offers a uniform engineering environment for programming and configuration of control, visualization and drive solutions.Vulnerability descriptionThe specialists of the Positive Research center have detected "Directory Traversal" vulnerability in Siemens Simatic WinCC TIA Portal.By manipulating the URL an authenticated attacker may have access to source code of the panel’s server-side web application files, which may include user defined scripts.How to fixUpdate your software up to the latest versionAdvisory status 21.09.2012 - Vendor gets vulnerability details 15.03.2013 - Vendor releases fixed version and details 29.03.2013 - Public disclosureCreditsThe vulnerability was discovered by Sergey Bobrov, Roman Ilin, Ilya Karpov, Positive Research Center (Positive Technologies Company)Referenceshttp://en.securitylab.ru/lab/PT-2013-32 http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf Reports on the vulnerabilities previously discovered by Positive Research:http://ptsecurity.com/research/advisory/ http://en.securitylab.ru/lab/