AusCERT - ESB-2011.0822 - [Win] Microsoft Visual Studio 2005 Service Pack 1: Access confidential data

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ESB-2011.0822 - [Win] Microsoft Visual Studio 2005 Service Pack 1: Access confidential data - Remote with user interaction
Date: 10 August 2011

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2011.0822
Vulnerability in Microsoft Report Viewer Could Allow Information Disclosure
                              10 August 2011

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Microsoft Visual Studio 2005 Service Pack 1
                   Microsoft Report Viewer 2005 Service Pack 1 Redistributable Package
Publisher:         Microsoft
Operating System:  Windows
Impact/Access:     Access Confidential Data -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2011-1976  

Original Bulletin: 
   http://www.microsoft.com/technet/security/bulletin/MS11-067.mspx

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Microsoft Security Bulletin MS11-067 - Important
Vulnerability in Microsoft Report Viewer Could Allow Information Disclosure (2578230)
Published: August 09, 2011
Version: 1.0

General Information

Executive Summary

   This security update resolves a privately reported vulnerability in
   Microsoft Report Viewer. The vulnerability could allow information
   disclosure if a user views a specially crafted Web page. In all cases,
   however, an attacker would have no way to force a user to visit the Web
   site. Instead, an attacker would have to persuade a user to visit the
   Web site, typically by getting them to click a link in an e-mail
   message or Instant Messenger message that takes the user to the
   vulnerable Web site.

   This security update is rated Important for all supported editions of
   Microsoft Visual Studio 2005 and Microsoft Report Viewer 2005
   Redistributable Package. For more information, see the subsection,
   Affected and Non-Affected Software, in this section.

Affected Software

   Microsoft Visual Studio 2005 Service Pack 1
   Microsoft Report Viewer 2005 Service Pack 1 Redistributable Package

Vulnerability Information

   Report Viewer Controls XSS Vulnerability - CVE-2011-1976

   An information disclosure vulnerability exists in the way that the
   Microsoft Report Viewer control improperly validates parameters within
   a data source. An attacker who successfully exploited this
   vulnerability could inject a client-side script in the user's browser.
   The script could then be used to spoof content or disclose sensitive
   information. Note that this vulnerability would not allow an attacker
   to execute code outside of the browser or to elevate their user rights
   directly, but it could be used to produce information that could be
   used to try to further compromise the affected system.

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
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