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             AUSCERT External Security Bulletin Redistribution

        Cumulative Security Update for Internet Explorer (2817183)
                               9 April 2013


        AusCERT Security Bulletin Summary

Product:           Internet Explorer
Publisher:         Microsoft
Operating System:  Windows XP
                   Windows 2000
                   Windows Vista
                   Windows Server 2008
                   Windows Server 2008 R2
                   Windows Server 2012
                   Windows 8
                   Windows RT
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-1304 CVE-2013-1303 

Original Bulletin: 

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Microsoft Security Bulletin MS13-028 - Critical

Cumulative Security Update for Internet Explorer (2817183)

Published Date: April 9, 2013

Version: 1.0

General Information

Executive Summary 

This security update resolves two privately reported vulnerabilities in 
Internet Explorer. These vulnerabilities could allow remote code execution if 
a user views a specially crafted webpage using Internet Explorer. An attacker 
who successfully exploited these vulnerabilities could gain the same user 
rights as the current user. Users whose accounts are configured to have fewer 
user rights on the system could be less impacted than users who operate with 
administrative user rights.

This security update is rated Critical for Internet Explorer 6, Internet 
Explorer 7, Internet Explorer 8, Internet Explorer 9, and Internet Explorer 10
on Windows clients and Moderate for Internet Explorer 6, Internet Explorer 7, 
Internet Explorer 8, Internet Explorer 9, and Internet Explorer 10 on Windows

Affected Software

Internet Explorer 6
Internet Explorer 7
Internet Explorer 8
Internet Explorer 9
Internet Explorer 10

Vulnerability Information

Multiple Use After Free Vulnerabilities in Internet Explorer

Remote code execution vulnerabilities exist in the way that Internet Explorer
accesses an object in memory that has been deleted. These vulnerabilities may 
corrupt memory in such a way that an attacker could execute arbitrary code in
the context of the current user.

To view these vulnerabilities as a standard entry in the Common 
Vulnerabilities and Exposures list, click the link in the following table:  

Vulnerability title				CVE number
Internet Explorer Use After Free Vulnerability	CVE-2013-1303 
Internet Explorer Use After Free Vulnerability	CVE-2013-1304

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