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Last updated: 7/23/2014 4:24:28 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2010-1225

Original release date: 04/01/2010
Last revised: 04/05/2010
Source: US-CERT/NIST

Overview

The memory-management implementation in the Virtual Machine Monitor (aka VMM or hypervisor) in Microsoft Virtual PC 2007 Gold and SP1, Virtual Server 2005 Gold and R2 SP1, and Windows Virtual PC does not properly restrict access from the guest OS to memory locations in the VMM work area, which allows context-dependent attackers to bypass certain anti-exploitation protection mechanisms on the guest OS via crafted input to a vulnerable application. NOTE: the vendor reportedly found that only systems with an otherwise vulnerable application are affected, because "the memory areas accessible from the guest cannot be leveraged to achieve either remote code execution or elevation of privilege and ... no data from the host is exposed to the guest OS."

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: MISC
Name: http://www.coresecurity.com/content/virtual-pc-2007-hypervisor-memory-protection-bug
External Source: BUGTRAQ
Name: 20100316 CORE-2009-0803: Virtual PC Hypervisor Memory Protection Vulnerability
External Source: BID
Name: 38764
External Source: SECTRACK
Name: 1023720

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)