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To improve our services to our customers, we have made a number of
additions to the Secunia Advisories and have started translating the
advisories to German.

The improvements will help our customers to get a better
understanding of how we reached our conclusions, how it was rated,
our thoughts on exploitation, attack vectors, and scenarios.

This includes:
* Reason for rating
* Extended description
* Extended solution
* Exploit code or links to exploit code
* Deep links

Read the full description:
http://corporate.secunia.com/products/48/?r=l

Contact Secunia Sales for more information:
http://corporate.secunia.com/how_to_buy/15/?r=l

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TITLE:
Citrix Advanced Access Control Two Vulnerabilities

SECUNIA ADVISORY ID:
SA22909

VERIFY ADVISORY:
http://secunia.com/advisories/22909/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
Citrix Access Gateway 4.x
http://secunia.com/product/6168/

DESCRIPTION:
Two vulnerabilities have been reported in Citrix Advanced Access
Control, which can be exploited by malicious users to bypass certain
security restrictions.

1) An error in the Browser-Only access feature may allow users access
to certain protected resources.

2) An error in the login process may allow users access to certain
protected resources.

The vulnerabilities are reported in Citrix Access Gateway deployed
with Advanced Access Control 4.0 and 4.2. Access Gateway Standard
Edition and Access Gateway Enterprise Edition are not vulnerable to
these issues.

SOLUTION:
Apply hotfix AACE400W004:
http://support.citrix.com/article/CTX110293

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

ORIGINAL ADVISORY:
Citrix:
http://support.citrix.com/article/CTX111614
http://support.citrix.com/article/CTX111615

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

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