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Novell Client NWSPOOL.DLL Buffer Overflow Vulnerabilities
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Secunia Advisory:
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SA26374
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Release Date:
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2007-08-29
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Last Update:
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2007-12-03
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Critical:
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Moderately critical
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Impact:
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DoS
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 Patch
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| Software: | Novell Client for Windows NT/2000/XP 4.x
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| | CVE reference: | CVE-2007-2954 (Secunia mirror)
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Description:
Secunia Research has discovered multiple vulnerabilities in Novell Client, which can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system.
The vulnerabilities are caused due to boundary errors within NWSPOOL.DLL when processing arguments passed to certain RPC requests (e.g. RpcAddPrinterDriver and RpcGetPrinterDriverDirectory). These can be exploited to cause stack-based buffer overflows via RPC requests with specially crafted, overly long arguments.
Successful exploitation allows crashing the service and execution of arbitrary code.
The vulnerabilities are confirmed in Novell Client v4.91 SP4 for Windows 2000/XP/2003. Other versions may also be affected.
Solution:
Apply patch.
http://download.novell.com/Download?buildid=D3qNQDTYNNg~
Provided and/or discovered by:
JJ Reyes, Secunia Research.
Changelog:
2007-12-03: Updated "Solution" section.
Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2007-57/
Novell:
http://support.novell.com/docs/Readme...ment/patchbuilder/readme_5007240.html
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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7. Novell Client NWSPOOL.DLL Buffer Overflow Vulnerability
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