PT-2013-40: Resource Exhaustion in Wonderware Information Server Vulnerable softwareWonderware Information Server Version 4.0 SP1, 4.5- Portal and 5.0- PortalApplication link: http://www.invensys.com/Severity levelSeverity level: High Impact: Arbitrary Code Execution, Denial of Service Access Vector: Remote CVSS v2: Base Score: 9.3 Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C)CVE: CVE-2013-0685 Software descriptionWonderware Information Server aggregates and presents plant performance metrics and production data to operations, maintenance and engineering personnel, via an easy to implement web solution. Wonderware Information Server as well as Wonderware Intouch HMI are the part of a unified solution for building ArchestrA System Platform SCADA- and HMI-systems. This solution is used by personnel of nuclear power plants, chemical plants and other critically important objects.Vulnerability descriptionPositive Research Center experts have discovered "Resource Exhaustion" vulnerability in Wonderware Information Server. WIS does not properly restrict the size or amount of resources that are requested, allowing the attacker to consume more resources than intended. This vulnerability, if exploited, could allow remote code execution and DoS.How to fixUpdate your software up to the latest version.Advisory status16.12.2012 - Vendor gets vulnerability details 23.04.2013 - Vendor releases fixed version and details 10.06.2013 - Public disclosureCreditsThis vulnerability have discovered by Ivan Poliyanchuk, Evgeny Ermakov, Nikita Mikhalevsky, Dmitry Serebryannikov, Vyacheslav Egoshin, Gleb Gritsai, Denis Baranov, Positive Research Center (Positive Technologies Company)Referenceshttp://en.securitylab.ru/lab/PT-2013-40 https://wdn.wonderware.com/sites/WDN/Pages/Downloads/Software.aspx https://ics-cert.us-cert.gov/advisories/ICSA-13-113-01 Reports on the vulnerabilities previously discovered by Positive Research:http://ptsecurity.com/research/advisory/ http://en.securitylab.ru/lab/
