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AUSCERT External Security Bulletin Redistribution
ESB-2015.0324
MS15-011: Vulnerability in Group Policy Could Allow Remote Code Execution
11 February 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft Windows
Publisher: Microsoft
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2015-0008
Original Bulletin:
https://technet.microsoft.com/en-us/library/security/MS15-011
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Bulletin Number: MS15-011
Bulletin Title: Vulnerability in Group Policy Could Allow Remote Code
Execution
Severity: Critical
KB Article: 3000483
Version: 1.0
Published Date: February 10, 2015
Description: This security update resolves a privately reported vulnerability
in Microsoft Windows. A remote code execution vulnerability exists in how
group policy receives and applies connection data when a domain-joined system
connects to a domain controller. An attacker who successfully exploited this
vulnerability could take complete control of an affected system. An attacker
could then install programs; view, change, or delete data; or create new
accounts with full user rights.
This security update is rated Critical for all supported editions of Windows
Server 2003, Windows Vista, Windows Server 2008, Windows 7, Windows Server
2008 R2, Windows 8, Windows Server 2012, Windows RT, Windows 8.1, Windows
Server 2012 R2, and Windows RT 8.1. For more information, see the Affected
Software section.
Affected Software
Windows Server 2003 Service Pack 2[1]
Windows Server 2003 x64 Edition Service Pack 2[1]
Windows Server 2003 with SP2 for Itanium-based Systems[1]
Windows Vista Service Pack 2
Windows Vista x64 Edition Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for Itanium-based Systems Service Pack 2
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
Windows 8 for 32-bit Systems
Windows 8 for x64-based Systems
Windows 8.1 for 32-bit Systems
Windows 8.1 for x64-based Systems
Windows Server 2012
Windows Server 2012 R2
Windows RT[2]
Windows RT 8.1[2]
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core
installation)
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core
installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core
installation)
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2 (Server Core installation)
[1]Windows Server 2003 is affected, but an update is not being issued for it.
See the Update FAQ for more information.
[2]This update is available via Windows Update only.
Vulnerability Information
Group Policy Remote Code Execution Vulnerability - CVE-2015-0008
A remote code execution vulnerability exists in how Group Policy receives and
applies policy data when a domain-joined system connects to a domain
controller. To exploit this vulnerability, an attacker would have to convince
a victim with a domain-configured system to connect to an attacker-controlled
network.
An attacker who successfully exploited this vulnerability could take complete
control of an affected system and then install programs; view, change, or
delete data; or create new accounts with full user rights. The security update
addresses the vulnerability by improving how domain-configured systems connect
to domain controllers prior to Group Policy accepting configuration data.
This vulnerability has not been publicly disclosed. When this security
bulletin was issued, Microsoft had not received any information to indicate
that this vulnerability had been publicly used to attack customers.
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