Microsoft Windows: Increased Privileges -- Existing Account

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.1373
          Vulnerability in Windows Installer Service Could Allow
                     Elevation of Privilege (2962490)
                              13 August 2014

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        AusCERT Security Bulletin Summary
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Product:           Microsoft Windows
Publisher:         Microsoft
Operating System:  Windows
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-1814  

Original Bulletin: 
   https://technet.microsoft.com/library/security/ms14-049

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Microsoft Security Bulletin MS14-049 - Important
Vulnerability in Windows Installer Service Could Allow Elevation of Privilege 
(2962490)

Published: August 12, 2014

Version: 1.0

General Information

Executive Summary

This security update resolves a privately disclosed vulnerability in Microsoft
Windows. The vulnerability could allow elevation of privilege if an attacker 
runs a specially crafted application that attempts to repair a 
previously-installed application. An attacker must have valid logon 
credentials and be able to log on locally to exploit this vulnerability.

This security update is rated Important for all supported releases of 
Microsoft Windows.

Affected Software

Windows Server 2003

Windows Vista

Windows Server 2008

Windows 7

Windows 8 & 8.1

Windows Server 2012 and Windows Server 2012 R2

Windows RT and Windows RT 8.1

Vulnerability Information

Windows Installer Repair Vulnerability - CVE-2014-1814

An elevation of privilege vulnerability exists when the Windows Installer 
service improperly handles the repair of a previously installed application. 
An attacker who successfully exploited this vulnerability could run arbitrary
code in kernel mode. An attacker could then install programs; view, change, or
delete data; or create new accounts with full administrative rights.

To view this vulnerability as a standard entry in the Common Vulnerabilities 
and Exposures list, see CVE-2014-1814.

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