Microsoft Windows SMB Packet Handling Vulnerabilities - Secunia Advisories - Vulnerability Information

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Microsoft Windows SMB Packet Handling Vulnerabilities

Secunia Advisory:

SA31883

Advisory Toolbox:

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Release Date:

2008-09-16

Last Update:

2009-01-14

Popularity:

9,581 views

Critical:

Moderately critical

Impact:

DoS
System access

Where:

From local network

Solution Status:

Vendor Patch

OS:

Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows Server 2008
Microsoft Windows Storage Server 2003
Microsoft Windows Vista
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

Binary Analysis:

BA569 :: Available for 1 Credit

BA647 :: Available for 1 Credit

BA651 :: Available for 1 Credit

Secunia CVSS-2 Score:

Available in Secunia business solutions

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Advisory Content (Page 1 of 3)

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Description:
Three vulnerabilities have been reported in Microsoft Windows, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.

1) A boundary error in the parsing of certain fields inside SMB messages can be exploited to cause a buffer overflow via a specially crafted SMB NT Trans packet.

Successful exploitation of the vulnerability may allow execution of arbitrary code, but requires that the Server service is enabled.

2) Another error in the parsing of SMB messages can be exploited to cause a buffer overflow via a specially crafted SMB NT Trans2 packet.

Successful exploitation of the vulnerability may allow execution of arbitrary code, but requires that the Server service is enabled.

3) An input validation error in the processing of "WRITE_ANDX" packets within srv.sys can be exploited to cause an invalid memory access and crash the system via a specially crafted SMB packet.

Successful exploitation of the vulnerability without valid user credentials requires network access to an interface that allows NULL Sessions (e.g. "\LSARPC" on Windows Vista).

Change Page:
[ 1 ] [ 2 ] [ 3 ]

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