26439 : Microsoft Windows SMB MRXSMB.SYS MrxSmbCscIoctlCloseForCopyChunk Remote DoS
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Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Jun 13, 2006

Discovery

Feb 07, 2006

Dates

Exploit

Unknown

Solution

Unknown

Keywords

aka the "SMB Invalid Handle Vulnerability."

Description

Windows contains a flaw that may allow a remote denial of service. The issue is triggered when the MrxSmbCsIoctlCloseForCopyChunk function of SMB is passed the file handle for a shadow device, which will create a deadlock and result in loss of availability for the service.

Classification

Location: Remote/Network Access Required
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Availability
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.

Subsequent reports indicate the patch for this issue does not properly mitigate the vulnerability.

Products

Microsoft Corporation	Windows	2000 SP4
		XP SP1
		XP SP2
		XP Professional x64 Edition
	Windows Server	2003
		2003 SP1
		2003 for Itanium
		2003 SP1 for Itanium
		2003 x64 Edition

References

Bugtraq ID: 18357
CVE ID: 2006-2374 (see also: NVD)
Secunia Advisory ID: 20635
Related OSVDB ID: 26440
Microsoft Knowledge Base Article: 914389
FrSIRT Advisory: ADV-2006-2327
Keyword: aka the "SMB Invalid Handle Vulnerability."
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2006-06/0231.html
http://archives.neohapsis.com/archives/bugtraq/2006-06/0233.html
http://archives.neohapsis.com/archives/bugtraq/2006-06/0307.html
Other Advisory URL: http://www.idefense.com/intelligence/vulnerabilities/display.php?id=409
http://www.reversemode.com/index.php?option=com_content&task=view&id=14&Itemid=5
Microsoft Security Bulletin: MS06-030

Tools & Filters

Nessus	21692

Credit

Rubén Santamarta - rubenreversemode.com - Reversemode

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