PT-2014-14: Privilege Gaining in Siemens SIMATIC WinCC Vulnerable platformSIMATIC WinCC Version: 7.2 and earlierSIMATIC PCS7 Version: 8.0 and earlierLink: http://www.siemens.com/Severity levelSeverity level: Medium Impact: Privilege Gaining Access Vector: Remote CVSS v2: Base Score: 6.0 Vector: (AV:N/AC:M/Au:S/C:P/I:P/A:P)CVE: CVE-2014-4684Platform descriptionSiemens WinCC is a part of Siemens SIMATIC HMI software that aimed to provide connection between an operator and PLCs that manage technological processes.Vulnerability descriptionThe specialists of the Positive Research center have detected a Privilege Gaining vulnerability in SIMATIC WinCC.The database server of SIMATIC WinCC could allow authenticated users to escalate their privileges in the database if a specially crafted command is sent to the database server at port 1433/tcp.How to fixUpdate your software up to the latest versionAdvisory status 08.01.2014 - Vendor gets vulnerability details 23.07.2014 - Vendor releases fixed version and details 29.07.2014 - Public disclosureCreditsThe vulnerability was detected by Dmitry Nagibin and Gleb Gritsai, Positive Research Center (Positive Technologies Company)Referenceshttp://en.securitylab.ru/lab/PT-2014-14 http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-214365.pdf Reports on the vulnerabilities previously discovered by Positive Research:http://www.ptsecurity.com/research/advisory/ http://en.securitylab.ru/lab/
