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AUSCERT External Security Bulletin Redistribution
Vulnerability in Windows Installer Service Could Allow
Elevation of Privilege (2962490)
13 August 2014
AusCERT Security Bulletin Summary
Product: Microsoft Windows
Operating System: Windows
Impact/Access: Increased Privileges -- Existing Account
CVE Names: CVE-2014-1814
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Microsoft Security Bulletin MS14-049 - Important
Vulnerability in Windows Installer Service Could Allow Elevation of Privilege
Published: August 12, 2014
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
Windows Server 2003
Windows Server 2008
Windows 8 & 8.1
Windows Server 2012 and Windows Server 2012 R2
Windows RT and Windows RT 8.1
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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