Microsoft Virtual PC / Virtual Server Privilege Escalation Vulnerability - Advisories

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Microsoft Virtual PC / Virtual Server Privilege Escalation Vulnerability

Secunia Advisory:	SA26444
Release Date:	2007-08-14

Critical:	Less critical
Impact:	Privilege escalation
Where:	Local system
Solution Status:	Vendor Patch

Software:	Microsoft Virtual PC 2004 Microsoft Virtual PC for Mac 6.x Microsoft Virtual PC for Mac 7.x Microsoft Virtual Server 2005

CVE reference:	CVE-2007-0948 (Secunia mirror)

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Description: A vulnerability has been reported in Microsoft Virtual PC and Virtual Server, which can be exploited by malicious, local users to gain escalated privileges. The vulnerability is caused due to an error within certain components that communicate with the host OS and can be exploited to cause a heap-based buffer overflow. Successful exploitation allows an administrative user on a guest OS to e.g. execute arbitrary code on the host OS or other guest OS's. Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector. Solution: Apply patches. Microsoft Virtual PC 2004: http://www.microsoft.com/downloads/de...=E2C72AAB-00DE-47C9-8ECB-09261C4B7DEB Microsoft Virtual PC 2004 Service Pack 1: http://www.microsoft.com/downloads/de...=2BDA2B8B-9C1C-4BF8-9A65-491092276E7A Microsoft Virtual Server 2005 Standard Edition: http://www.microsoft.com/downloads/de...=F9EC76CD-0607-4394-BC49-35E95D02DA51 Microsoft Virtual Server 2005 Enterprise Edition: http://www.microsoft.com/downloads/de...=A35E556C-2F7B-4B72-9662-AE7286573C3F Microsoft Virtual Server 2005 R2 Standard Edition: http://www.microsoft.com/downloads/de...=D44B8669-A4FB-4CBA-B130-E1BC08B10C6F Microsoft Virtual Server 2005 R2 Enterprise Edition: http://www.microsoft.com/downloads/de...=84CA3BA9-6575-4C5B-8F8E-4E4A635A4705 Microsoft Virtual PC for Mac Version 6.1/7.0: http://www.microsoft.com/mac/downloads.aspx#VPC Provided and/or discovered by: The vendor credits Rafal Wojtczuk, McAfee Avert Labs. Original Advisory: MS07-049 (KB937986): http://www.microsoft.com/technet/security/Bulletin/MS07-049.mspx



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise. Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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