PT-2011-35: Multiple CSRF vulnerabilities in Citrix XenServer Virtual Switch Controller

Vulnerable software

Citrix XenServer Virtual Switch Controller
Version: 6.0.1 and earlier

Application link: 
http://support.citrix.com/article/CTX129669

Severity level

Severity 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 description

Positive Research Center has discovered a multiple CSRF vulnerabilities in Citrix XenServer Virtual Switch Controller.

All web interface forms are vulnerable to CSRF attacks. One can exploit these vulnerabilities to change the system configuration.

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
13.03.2012 - Vendor releases fixed version and details
27.03.2012 - Public disclosure

Credits

The vulnerability was discovered by Maxim Tsoy, Positive Research Center (Positive Technologies Company)

References

http://en.securitylab.ru/lab/PT-2011-35
https://support.citrix.com/article/CTX132476

Reports on the vulnerabilities previously discovered by Positive Research:

http://ptsecurity.com/research/advisory/
http://en.securitylab.ru/lab/

Threatscape