PT-2011-33: URL redirector abuse in Citrix XenServer Web Self Service
(PT-2011-33) Positive Technologies Security Advisory
URL redirector abuse in Citrix XenServer Web Self Service
Citrix XenServer Web Self Service
Version: 1.1 and earlier
Severity level: Medium
Access Vector: Remote
Base Score: 4.3
CVE: not assigned
The specialists of the Positive Research center have detected "URL redirector abuse" vulnerability in Citrix XenServer Web Self Service.
URL redirector (GET parameter page of the login page) allows forwarding to an arbitrary location. It allows an attacker to conduct a phishing attack.
How to fix
Update your software up to the latest version
10.11.2011 - Vendor is notified
10.11.2011 - Vendor gets vulnerability details
10.03.2012 - Vendor releases fixed version and details
28.09.2012 - Public disclosure
The vulnerability has discovered by Ilya Smith, Maxim Tsoy, Positive Research Center (Positive Technologies Company)
Reports on the vulnerabilities previously discovered by Positive Research:
About Positive Technologies
Positive Technologies www.ptsecurity.com is among the key players in the IT security market in Russia.
The principal activities of the company include the development of integrated tools for information security monitoring (MaxPatrol); providing IT security consulting services and technical support; development of the Securitylab leading Russian information security portal.
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Positive Technologies is a team of highly skilled developers, advisers and experts with years of vast hands-on experience. The company specialists possess professional titles and certificates; they are the members of various international societies and are actively involved in the IT security field development.