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AUSCERT External Security Bulletin Redistribution
MS14-062 Vulnerability in Message Queuing Service Could
Allow Elevation of Privilege
15 October 2014
AusCERT Security Bulletin Summary
Product: Microsoft Windows
Operating System: Windows Server 2003
Impact/Access: Administrator Compromise -- Existing Account
CVE Names: CVE-2014-4971
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MS14-062 Vulnerability in Message Queuing Service Could Allow Elevation of
Published Date: October 14, 2014
This security update resolves a publicly disclosed vulnerability in Microsoft
Windows. The vulnerability could allow elevation of privilege if an attacker
sends a specially crafted input/output control (IOCTL) request to the Message
Queuing service. Successful exploitation of this vulnerability could lead to
full access to the affected system. By default, the Message Queuing component
is not installed on any affected operating system edition and can only be
enabled by a user with administrative privileges. Only customers who manually
enable the Message Queuing component are likely to be vulnerable to this
This security update is rated Important for all supported editions of Windows
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
MQAC Arbitrary Write Privilege Escalation Vulnerability - CVE-2014-4971
A vulnerability exists in the Microsoft Message Queuing (MSMQ) service that
could allow an attacker to elevate privileges on the targeted system.
To view this vulnerability as a standard entry in the Common Vulnerabilities
and Exposures list, see CVE-2014-4971.
By default, the Message Queuing component is not installed on any affected
operating system edition and can only be enabled by a user with administrative
privileges. Only customers who manually enable the Message Queuing component
are likely to be vulnerable to this issue.
An attacker must have valid logon credentials and be able to log on locally to
exploit this vulnerability. The vulnerability could not be exploited remotely
or by anonymous users.
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