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Novell Client NWSPOOL.DLL "EnumPrinters()" Buffer Overflow
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Secunia Advisory:
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SA28895
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Release Date:
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2008-02-12
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Last Update:
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2008-02-25
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Popularity:
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3,719 views
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Critical:
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Moderately critical
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Impact:
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System access
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Where:
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From local network
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Solution Status:
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Vendor Workaround
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| Software: | Novell Client for Windows NT/2000/XP 4.x
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Binary Analysis:
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BA386 :: Available for 1 Credit 
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| CVE reference: | CVE-2008-0639
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Description:
A vulnerability has been reported in Novell Client, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to an error in NWSPOOL.DLL when handling the "EnumPrinters()" function and can be exploited to cause a stack-based buffer overflow via a specially crafted RPC request.
This is similar to:
SA26238
Successful exploitation allows execution of arbitrary code.
The vulnerability affects version 4.91 SP2, SP3, and SP4.
Solution:
Novell has issued a Field Test File (491psp2_3_4_nwspool_2.zip):
http://download.novell.com/Download?buildid=Ui5qNQgEmHE~
Provided and/or discovered by:
Anonymous and Avosani Gabriele, reported via ZDI.
Changelog:
2008-02-25: Updated "Solution" section based on new vendor information.
Original Advisory:
Novell:
http://download.novell.com/Download?buildid=Ui5qNQgEmHE~
ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-08-005.html
Other References:
SA26238:
http://secunia.com/advisories/26238/
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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