Note: This is an archival copy of Security Sun Alert 240095 as previously published on
Latest version of this security advisory is available from as Sun Alert 1019492.1.
Article ID : 1019492.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2010-01-19
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

A Security Vulnerability in 'VBoxDrv.sys' driver of Sun xVM VirtualBox 1.6 may lead to Arbitrary Code Execution or Denial of Service (DoS)


Release Phase

Bug Id

Sun xVM VirtualBox 1.6

Date of Resolved Release

A Security Vulnerability in 'VBoxDrv.sys' driver of Sun xVM VirtualBox 1.6 may lead to Arbitrary Code Execution or Denial of Service (DoS)

1. Impact

A security vulnerability in the 'VBoxDrv.sys' driver shipped with Sun xVM VirtualBox 1.6.0/1.6.2 may allow a local unprivileged user to execute arbitrary code on the system or cause a system panic. The ability to cause system panic is a type of Denial of Service (DoS).

Sun acknowledges with thanks, Anibal Sacco of Core Security Technologies for bringing this issue to our attention.

This issue is described in the following document:

2. Contributing Factors

This issue can occur on the following releases:

Windows Platform
  • Sun xVM VirtualBox 1.6.0, 1.6.2 (for Windows)

  1. No other Sun xVM VirtualBox supported host platforms are affected by this issue.
  2. This issue only occurs in the Windows versions of Sun xVM VirtualBox

To determine the version of xVM VirtualBox on a Windows system, you can do one of the following:

In the Menu of Sun xVM VirtualBox, select Help -> About VirtualBox


From the command line, run "VBoxManage -version" in the product installation directory.

3. Symptoms

If the described issue occurs, the system will either panic or overwrite memory contents.

4. Workaround

There is no workaround for this issue. Please see the "Resolution" section below.

5. Resolution

This issue is addressed in the following release:

Windows Platform

  • Sun xVM VirtualBox 1.6.4 (for Windows)

Sun xVM VirtualBox 1.6.4 for Windows can be downloaded from the following site:

For more information on Security Sun Alerts, see 1009886.1.

This Sun Alert notification is being provided to you on an "AS IS" basis. This Sun Alert notification may contain information provided by third parties. The issues described in this Sun Alert notification may or may not impact your system(s). Sun makes no representations, warranties, or guarantees as to the information contained herein. ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. This Sun Alert notification contains Sun proprietary and confidential information. It is being provided to you pursuant to the provisions of your agreement to purchase services from Sun, or, if you do not have such an agreement, the Terms of Use. This Sun Alert notification may only be used for the purposes contemplated by these agreements.

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