Secunia

Citrix has acknowledged a vulnerability in multiple Citrix products, which can be exploited by malicious people to manipulate certain data.

The vulnerability is caused due to an error in the TLS protocol while handling session renegotiations. This can be exploited to insert arbitrary plaintext before data sent by a legitimate client in an existing TLS session, via Man-in-the-Middle (MitM) attacks.

This is related to:
SA37291

Please see the vendor's advisory for a list of affected products.

Solution
Please see the vendor's advisory for a list of fixed versions.
Changelog
Further details available in Customer Area

Original Advisory
Citrix:
http://support.citrix.com/article/CTX123359

Other references
Further details available in Customer Area

Deep Links
Links available in Customer Area