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Secunia Security Advisory 37319

Secunia Security Advisory 37319
Posted Nov 16, 2009
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in Citrix XenApp Online Plug-in and Citrix Receiver for iPhone, which can be exploited by malicious people to conduct spoofing attacks.

tags | advisory, spoof
systems | apple, iphone
SHA-256 | 05faa43f317f0fb023350eb0d6a0f739b56ec0fc41c22bc8354151fa450ea86e

Secunia Security Advisory 37319

Change Mirror Download
----------------------------------------------------------------------

Do you have VARM strategy implemented?

(Vulnerability Assessment Remediation Management)

If not, then implement it through the most reliable vulnerability
intelligence source on the market.

Implement it through Secunia.

For more information visit:
http://secunia.com/advisories/business_solutions/

Alternatively request a call from a Secunia representative today to
discuss how we can help you with our capabilities contact us at:
sales@secunia.com

----------------------------------------------------------------------

TITLE:
Citrix XenApp Online Plug-in / Receiver Certificate Spoofing
Vulnerability

SECUNIA ADVISORY ID:
SA37319

VERIFY ADVISORY:
http://secunia.com/advisories/37319/

DESCRIPTION:
A vulnerability has been reported in Citrix XenApp Online Plug-in and
Citrix Receiver for iPhone, which can be exploited by malicious people
to conduct spoofing attacks.

The vulnerability is caused due to an unspecified error when
processing SSL/TLS certificates. This can be exploited to e.g.
conduct Man-in-the-Middle (MitM) attacks via specially crafted
certificates.

SOLUTION:
Update to a fixed version.
http://www.citrix.com/English/SS/downloads/results.asp?productId=186&c1=sot2755

Citrix Online Plug-in for Windows:
Update to version version 11.0.150, 11.2, or later

Citrix Online Plug-in for Mac:
Update to version 11.0 or later.

Citrix Receiver for iPhone:
Update to version 1.0.3 or later.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://support.citrix.com/article/CTX123248

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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