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Secunia Security Advisory 40808

Secunia Security Advisory 40808
Posted Aug 5, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in Citrix XenApp Online Plug-in and ICA Clients, which can be exploited by malicious people to compromise a user's system.

tags | advisory
SHA-256 | d37cd08d6fe74d1e91a21620def1dc0ab8c363f258323c58d571075fb53881bf

Secunia Security Advisory 40808

Change Mirror Download
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"From 2007 to 2009 vulnerabilities in a typical end-user PC almost doubled from about 220 to 420."

Non-Microsoft software to blame for increase in vulnerabilities affecting typical Windows end-users, read more:

http://secunia.com/gfx/pdf/Secunia_Half_Year_Report_2010.pdf


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TITLE:
Citrix XenApp Online Plug-in and ICA Clients Code Execution
Vulnerability

SECUNIA ADVISORY ID:
SA40808

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40808/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40808

RELEASE DATE:
2010-08-04

DISCUSS ADVISORY:
http://secunia.com/advisories/40808/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/40808/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=40808

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in Citrix XenApp Online Plug-in and
ICA Clients, which can be exploited by malicious people to compromise
a user's system.

The vulnerability is caused due to an unspecified error, which can be
exploited to execute arbitrary code when a user establishes an ICA
connection to a malicious server, e.g. by invoking an .ICA file or
via an ICA client browser plug-in when browsing a specially crafted
web page.

The vulnerability is reported in the following products and
versions:
* Citrix Online Plug-in for Windows for XenApp & XenDesktop prior to
version 11.2
* Citrix Online Plug-in for Mac for XenApp & XenDesktop prior to
version 11.0
* Citrix ICA Client for Linux (x86 and ARM) prior to version 11.100
* Citrix ICA Client for Solaris (x86 and Sparc) prior to version
8.63
* Citrix Receiver for Windows Mobile prior to version 11.5

SOLUTION:
Update to the fixed versions.

Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Michael Jordon of Context Information Security
Ltd.

ORIGINAL ADVISORY:
http://support.citrix.com/article/CTX125975

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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

About:
This Advisory was delivered by Secunia as a free service to help
private users 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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