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.

Unspecified vulnerability in Citrix XenApp (formerly Presentation Server) 4.5 Feature Pack 1 and earlier, Presentation Server 4.0, and Access Essentials 1.0, 1.5, and 2.0 allows local users to gain privileges via unknown attack vectors related to creating an unspecified file. NOTE: this might be the same issue as CVE-2008-3485, but the vendor advisory is too vague to be certain.