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Citrix Presentation Server Print Provider Buffer Overflow Vulnerability
Secunia Advisory: SA23869
Release Date: 2007-01-25
Popularity: 9,367 views

Critical:
Moderately critical
Impact: System access
Where: From local network
Solution Status: Vendor Patch

Software:Citrix MetaFrame Presentation Server 3.x
Citrix MetaFrame XP for Windows 1.x
Citrix Presentation Server 4.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
A vulnerability has been reported in Citrix Presentation Server, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in a print provider (ccprov.dll) when handling arguments passed to the "EnumPrintersW()" and "OpenPrinter()" functions. This can be exploited to e.g. cause a stack-based buffer overflow by passing an overly long string (more than 130 bytes) as the first argument to the "OpenPrinter()" function through a local API call or RPC request.

Successful exploitation allows execution of arbitrary code.

The vulnerability reportedly affects Citrix MetaFrame XP and Presentation Server version 4.0 and prior.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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