Stack-based buffer overflow in the print provider library (cpprov.dll) in Citrix Presentation Server 4.0, MetaFrame Presentation Server 3.0, and MetaFrame XP 1.0 allows local users and remote attackers to execute arbitrary code via long arguments to the (1) EnumPrintersW and (2) OpenPrinter functions.
osvdb.org/32958
secunia.com/advisories/23869
securitytracker.com/id?1017553
support.citrix.com/article/CTX111686
www.securityfocus.com/archive/1/458002/100/0/threaded
www.securityfocus.com/bid/22217
www.securityfocus.com/data/vulnerabilities/exploits/testlpc.c
www.vupen.com/english/advisories/2007/0328
www.zerodayinitiative.com/advisories/ZDI-07-006.html