PT-2013-33: CRLF Injection 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: HTTP response splitting Access Vector: Remote CVSS v2: Base Score: 4.3 Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)CVE: CVE-2013-0670Software 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 "CRLF Injection" vulnerability in Siemens Simatic WinCC TIA Portal.If a user clicks on a malicious link which seems to lead to a HMI web application, it is possible to display any data to the user (HTTP response splitting).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 Artem Chaykin, Positive Research Center (Positive Technologies Company)Referenceshttp://en.securitylab.ru/lab/PT-2013-33 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/
