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AUSCERT External Security Bulletin Redistribution
ESB-2007.0618 -- [Win][OSX]
Vulnerability in Virtual PC and Virtual Server Could Allow
Elevation of Privilege (937986)
15 November 2007
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft Virtual PC 2004
Microsoft Virtual Server 2005 Standard Edition
Microsoft Virtual Server 2005 Enterprise Edition
Microsoft Virtual Server 2005 R2 Standard Edition
Microsoft Virtual Server 2005 R2 Enterprise Edition
Microsoft Virtual PC for Mac Version 6.1
Microsoft Virtual PC for Mac Version 7
Publisher: Microsoft
Operating System: Windows
Mac OS X
Impact: Execute Arbitrary Code/Commands
Access: Existing Account
CVE Names: CVE-2007-0948
Original Bulletin:
http://www.microsoft.com/technet/security/bulletin/ms07-049.mspx
Revision History: November 15 2007: Added the Bulletin Re-Release
information detailing that the
previous patch may not have installed
properly and that users should apply
the update as soon as possible.
August 15 2007: Initial Release
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MS07-049 - Vulnerability in Virtual PC and Virtual Server Could Allow
Elevation of Privilege (937986)
Bulletin Re-Release 13th November 2007
The security update for Microsoft Virtual PC 2004, Microsoft Virtual PC
2004 Service Pack 1, Microsoft Virtual Server 2005 Standard Edition,
Microsoft Virtual Server 2005 Enterprise Edition,Microsoft Virtual
Server 2005 R2 Standard Edition, and Microsoft Virtual Server 2005 R2
Enterprise Edition did not correctly install in certain cases. Microsoft
recommends that customers apply the update at the earliest opportunity.
No action is required on systems where the security update has been
successfully installed. For details please read the "Frequently Asked
Questions (FAQ) Related to This Security Update" section.
Affected Software
Microsoft Virtual PC 2004
Microsoft Virtual Server 2005 Standard Edition
Microsoft Virtual Server 2005 Enterprise Edition
Microsoft Virtual Server 2005 R2 Standard Edition
Microsoft Virtual Server 2005 R2 Enterprise Edition
Microsoft Virtual PC for Mac Version 6.1
Microsoft Virtual PC for Mac Version 7
Non-Affected Software
Microsoft Virtual PC 2007
Microsoft Virtual Server 2005 R2 Service Pack 1
Vulnerability Details:
Virtual PC and Virtual Server Heap Overflow Vulnerability - CVE-2007-0948
An elevation of privilege vulnerability exists in Microsoft Virtual PC
and Microsoft Virtual Server that could allow a user with
administrator permissions to the guest operating system to run code on
the host operating system or other guest operating systems. An
attacker with administrator permissions to the guest operating system,
could exploit the vulnerability by running specially crafted code on
the guest operating system. This could result in a heap overflow on
the host or other guest operating systems. An attacker who
successfully exploited this vulnerability could take complete control
of an affected system.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
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