PT-2011-33: URL redirector abuse in Citrix XenServer Web Self Service
Vulnerable software
Citrix XenServer Web Self Service
Version: 1.1 and earlier
Link:
http://www.citrix.com/English/ps2/products/feature.asp?contentID=2316933
Severity level
Severity level: Medium
Impact: Phishing
Access Vector: Remote
CVSS v2:
Base Score: 4.3
Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)
CVE: not assigned
Vulnerability description
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
Advisory status
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
Credits
The vulnerability has discovered by Ilya Smith, Maxim Tsoy, Positive Research Center (Positive Technologies Company)
References
http://en.securitylab.ru/lab/PT-2011-33
http://support.citrix.com/article/CTX132219
Reports on the vulnerabilities previously discovered by Positive Research:
http://ptsecurity.com/research/advisory/
http://en.securitylab.ru/lab/