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Insecure Library Loading
Moderately critical

Novell NetWare SMB "AccountName" Buffer Overflow Vulnerability

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Release Date:  2010-06-17    Last Update:  2010-06-23    Views:  4,045

Secunia Advisory SA40199

Where:

From local network

Impact:

DoS, System access

Solution Status:

Vendor Patch

Operating System:

CVE Reference(s):

Description


Laurent Gaffié has reported a vulnerability in Novell NetWare, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.

The vulnerability is caused due to a boundary error in CIFS.NLM when processing SMB packets. This can be exploited to cause a stack-based buffer overflow via a "Session Setup AndX" SMB packet containing an overly long "AccountName".

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in version 6.5 SP8. Prior versions may also be affected.


Solution:
Apply vendor patch.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Laurent Gaffié, stratsec

Original Advisory:
Novell:
http://download.novell.com/Download?buildid=tMWCI1cdI7s~

stratsec:
http://www.stratsec.net/Research/Advisories/SS-2010-006-Netware-SMB-Remote-Stack-Overflow

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Novell NetWare SMB "AccountName" Buffer Overflow Vulnerability

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