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>> Citrix Access Gateway Advanced Access Control LDAP Authentication Bypass

Title : Citrix Access Gateway Advanced Access Control LDAP Authentication Bypass
VUPEN ID : VUPEN/ADV-2006-3643
CVE ID : CVE-2006-4846
Rated as : High Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-09-15


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in Citrix Access Gateway, which could be exploited by attackers to bypass security restrictions. This flaw is due to an error in the Advanced Access Control option (AAC) when configured to use LDAP authentication, which could be exploited by attackers to gain unauthorized access to a vulnerable application without supplying valid credentials.

Affected Products

Citrix Access Gateway with Advanced Access Control version 4.2

Solution

Apply hotfix AAC420W004 :
http://support.citrix.com/servlet/KbServlet/download/11002-102-15244/AAC420W004.zip

References

http://www.vupen.com/english/advisories/2006/3643
http://support.citrix.com/article/CTX110950
http://support.citrix.com/article/CTX110439

Credits

Vulnerability reported by the vendor

ChangeLog

2006-09-15 : Initial release

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