Vulnerability CVE-2009-2453
Published: 2009-07-14   Modified: 2012-02-13

Description:
Citrix XenApp (formerly Presentation Server) 4.5 Hotfix Rollup Pack 3 does not apply an access policy when it is defined with the Access Gateway Advanced Edition filters, which allows attackers to bypass intended access restrictions via unknown vectors.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Citrix -> Presentation server 
Citrix -> Xenapp 

 References:
http://www.vupen.com/english/advisories/2009/1154
http://www.securitytracker.com/id?1022114
http://www.securityfocus.com/bid/34691
http://support.citrix.com/article/CTX118792
http://secunia.com/advisories/34865
http://osvdb.org/53900
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