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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== 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 =========================================================================== 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 - --------------------------BEGIN INCLUDED TEXT-------------------- 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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBRzu+dih9+71yA2DNAQINTQP/WpUyabX/qo/NXSg1JkvhQeBNJ5viF/FH cz0/GbuKjM/hNisfcyjZL33D5YIqOtxPqIOZxPpqG21UZd9FRW/9RU9TGW2mDf6Q cjkIj3g/xaPi6KSowylgEUgnu+Dr/oOaoecTw/z24kMDhbXe6zg9OSArcKXTwEMo +Cr9r4w2PJY= =O7UL -----END PGP SIGNATURE-----