PT-2011-40: Multiple CSRF vulnerabilities in Citrix License Administration Console Vulnerable softwareCitrix XenServer Administration Console Version: 11.9 and earlierApplication link: http://www.citrix.com/English/ps2/products/product.asp?contentID=683148Severity levelSeverity level: High Impact: Configuration modification Access Vector: Network exploitable CVSS v2: Base Score: 7.1 Vector: (AV:N/AC:M/Au:N/C:N/I:C/A:N)CVE: not assigned Vulnerability descriptionPositive Research Center has discovered a multiple CSRF vulnerabilities in Citrix License Administration Console.All web interface forms are vulnerable to CSRF attacks. One can exploit these vulnerabilities to change the system configuration.How to fixUpdate your software up to the latest versionAdvisory status10.11.2011 - Vendor is notified 10.11.2011 - Vendor gets vulnerability details 13.03.2012 - Vendor releases fixed version and details 27.03.2012 - Public disclosureCreditsThe vulnerability was discovered by Maxim Tsoy, Kirill Mosolov, Positive Research Center (Positive Technologies Company)Referenceshttp://en.securitylab.ru/lab/PT-2011-40 http://support.citrix.com/article/CTX128167Reports on the vulnerabilities previously discovered by Positive Research:http://ptsecurity.com/research/advisory/ http://en.securitylab.ru/lab/