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AUSCERT External Security Bulletin Redistribution
This security update resolves a vulnerability in Microsoft Windows.
11 May 2016
AusCERT Security Bulletin Summary
Product: Microsoft Windows
Operating System: Windows
Impact/Access: Increased Privileges -- Remote/Unauthenticated
CVE Names: CVE-2016-0178
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MS16-061: Security Update for Microsoft RPC (3155520)
Bulletin Number: MS16-061
Bulletin Title: Security Update for Microsoft RPC
KB Article: 3155520
Published Date: May 10, 2016
This security update resolves a vulnerability in Microsoft Windows. The
vulnerability could allow elevation of privilege if an unauthenticated attacker
makes malformed Remote Procedure Call (RPC) requests to an affected host.
This security update is rated Important for all supported releases of
Windows Server 2008
Windows Server 2008 R2
Windows Server 2012 and Windows Server 2012 R2
RPC Network Data Representation Engine Elevation of Privilege Vulnerability
- - CVE-2016-0178
An elevation of privilege vulnerability exists in the way that Microsoft
Windows handles specially crafted Remote Procedure Call (RPC) requests. A
privilege elevation can occur when the RPC Network Data Representation (NDR)
Engine improperly frees memory. An attacker who successfully exploited this
vulnerability could execute arbitrary code and take control of an affected
system. An attacker could then install programs; view, change, or delete data;
or create new accounts with full user rights.
An unauthenticated attacker could exploit the vulnerability by making malformed
RPC requests to an affected host. The update addresses this vulnerability
by modifying the way that Microsoft Windows handles RPC messages.
The following table contains a link to the standard entry for each
vulnerability in the Common Vulnerabilities and Exposures list:
Vulnerability Title CVE number Publicly disclosed Exploited
RPC Network Data Representation Engine Elevation of Privilege Vulnerability CVE-2016-0178 No No
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