26440 : Microsoft Windows SMB MrxSmbCscIoctlOpenForCopyChunk Function Overflow
Printer | http://osvdb.org/26440 | Email This | Edit Vulnerability

Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
2	229	over 3 years ago	5 days ago	3 times	100%

Timeline

Vendor Informed Date	Vendor Ack Date	Disclosure Date	Exploit Publish Date
2005-12-09	2005-12-13	2006-06-13	2006-06-13

Time to Vendor Response
4 days

Keywords

Aka the "SMB Driver Elevation of Privilege Vulnerability"

Description

A local overflow exists in Microsoft SMB. The function 'MrxSmbCscIoctlOpenForCopyChunk' fails to validate input when handling certain DeviceIoControl requests resulting in an overflow. With a specially crafted request, an attacker can execute arbitrary code with escalated privileges resulting in a loss of integrity.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Public
OSVDB: Web Related

Solution

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

Products

Microsoft Corporation	Windows	2003 Server SP1
		XP SP2
		XP SP1
		2000 SP4

References

Security Tracker: 1016288
Bugtraq ID: 18356
Milw0rm: 1910
Exploit Database: 1910
CVE ID: 2006-2373 (see also: NVD)
Secunia Advisory ID: 20635
SCIP VulDB ID: 2311
Related OSVDB ID: 26439
Microsoft Knowledge Base Article: 914389
VUPEN Advisory: ADV-2006-2327
Keyword: Aka the "SMB Driver Elevation of Privilege Vulnerability"
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2006-06/0223.html
http://archives.neohapsis.com/archives/bugtraq/2006-06/0233.html
Other Advisory URL: http://www.idefense.com/intelligence/vulnerabilities/display.php?id=408
http://www.reversemode.com/index.php?option=com_content&task=view&id=13&Itemid=5
Microsoft Security Bulletin: MS06-030

Tools & Filters

	21692

Credit

Rubén Santamarta - iDefense Labs VCP

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2006-06-14 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

None found at this time

Comments

Add Comment Hide Add Comment

No Comments.

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.