AOH :: HP Unsorted S :: B06-3553.HTM

Smb information disclosure vulnerability



SMB Information Disclosure Vulnerability
SMB Information Disclosure Vulnerability



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McAfee, Inc.
McAfee=AE Avert=AE Labs Security Advisory
Public Release Date: 2006-07-11

SMB Information Disclosure Vulnerability

CVE-2006-1315
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=95     Synopsis

An information disclosure vulnerability exists in the Server service that could allow an attacker to retrieve fragments of memory from an affected host via the host=92s SMB server. _______________________________________________________________________________

=95     Vulnerable System or Application

Microsoft Windows 2000
Microsoft Windows XP w/ Service Pack 1
Microsoft Windows XP w/ Service Pack 2
Microsoft Windows Server 2003
Microsoft Windows Server 2003 w/ Service Pack 1

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=95     Vulnerability Information

This issue is caused by the Server protocol driver=92s failure to zero out memory before reusing it when constructing SMB response messages. An attacker could exploit this vulnerability by sending a specially crafted request that when processed would result in a response packet being sent that unintentionally contained portions of memory from the target host. Note that this vulnerability would not allow an attacker to execute code or to elevate their user rights directly. It could be used to produce useful information to try to further compromise the affected system.
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=95     Resolution

Microsoft has released a security bulletin and associated patch for this vulnerability:
http://www.microsoft.com/technet/security/Bulletin/MS06-035.mspx

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=95     Credits

This vulnerability was discovered by Mike Price and Rafal Wojtczuk of McAfee Avert Labs.
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=95     Legal Notice

Copyright (C) 2006 McAfee, Inc.
The information contained within this advisory is provided for the convenience of McAfee=92s customers, and may be redistributed provided that no fee is charged for distribution and that the advisory is not modified in any way. McAfee makes no representations or warranties regarding the accuracy of the information referenced in this document, or the suitability of that information for your purposes.

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