Operating System:

[Win]

Published:

15 April 2015

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.0977
             Microsoft Security Bulletin MS15-036 - Important
                               15 April 2015

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

Product:           Microsoft SharePoint Server
Publisher:         Microsoft
Operating System:  Windows
Impact/Access:     Cross-site Scripting -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-1653 CVE-2015-1640 

Original Bulletin: 
   https://technet.microsoft.com/en-us/library/security/MS15-036

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Microsoft Security Bulletin MS15-036 - Important

Vulnerabilities in Microsoft SharePoint Server Could Allow Elevation of 
Privilege (3052044)

Published: April 14, 2015

Version: 1.0

Executive Summary

This security update resolves vulnerabilities in Microsoft Office server and 
productivity software. The vulnerabilities could allow elevation of privilege
if an attacker sends a specially crafted request to an affected SharePoint 
server. An attacker who successfully exploited the vulnerabilities could read
content that the attacker is not authorized to read, use the victim's identity
to take actions on the SharePoint site on behalf of the victim, such as change
permissions and delete content, and inject malicious content in the victims 
browser.

This security update is rated Important for supported editions of Microsoft 
SharePoint Server 2010, Microsoft SharePoint Server 2013, and Microsoft 
SharePoint Foundation 2013.

For more information, see the Affected Software section.

Affected Software

Microsoft SharePoint Server 2013

Microsoft SharePoint Server 2013 Service Pack 1

Microsoft SharePoint Server 2010

Microsoft SharePoint Server 2010 Service Pack 2

Vulnerability Information

Multiple SharePoint XSS Vulnerabilities

Elevation of privilege vulnerabilities exist when SharePoint Server does not 
properly sanitize a specially crafted request to an affected SharePoint 
server. An authenticated attacker could exploit these vulnerabilities by 
sending a specially crafted request to an affected SharePoint server. The 
attacker who successfully exploited these vulnerabilities could then perform 
cross-site scripting attacks on affected systems and run script in the 
security context of the current user.These attacks could allow the attacker to
read content that the attacker is not authorized to read, use the victim's 
identity to take actions on the SharePoint site on behalf of the victim, such
as change permissions and delete content, and inject malicious content in the
browser of the victim.

The security update addresses the vulnerabilities by helping to ensure that 
SharePoint Server properly sanitizes user input.

Microsoft received information about the vulnerabilities through coordinated 
vulnerability disclosure. When this security bulletin was issued, Microsoft 
had not received any information to indicate that these vulnerabilities had 
been publicly used to attack customers.

The following table contains links to the standard entry for each 
vulnerability in the Common Vulnerabilities and Exposures list:

Vulnerability title			CVE number

Microsoft SharePoint XSS Vulnerability	CVE-2015-1640

Microsoft SharePoint XSS Vulnerability	CVE-2015-1653

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