Note: This is an archival copy of Security Sun Alert 265268 as previously published on
Latest version of this security advisory is available from as Sun Alert 1020812.1.
Article ID : 1020812.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2010-01-19
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

Security Vulnerability in Sun VirtualBox May Lead to Denial of Service (DoS)


Release Phase

Bug Id

VirtualBox 3

Date of Resolved Release

Security Vulnerability in Sun VirtualBox May Lead to Denial of Service (DoS)

1. Impact

A security vulnerability in Sun VirtualBox 3.0 may allow a local unprivileged user inside of a VirtualBox virtual machine to be able to reboot the host operating system, which is a type of Denial of Service (DoS).

2. Contributing Factors

This issue can occur in the following releases (for all supported platforms):
  • Sun VirtualBox 3.0.0, 3.0.2

1. Sun VirtualBox does not run on the SPARC Platform.
2. Previous releases of Sun VirtualBox are not affected by this issue.

To determine the version of Sun VirtualBox on a system, do one of the following:

In the Menu of Sun VirtualBox, select:

Help -> About VirtualBox

Or from the command line, the following command can be run (For Windows, change to the installation directory first):
$ VBoxManage -version
3. Symptoms

There are no predictable symptoms that would indicate the described issue has occurred.

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 (for all supported platforms):
  • Sun VirtualBox 3.0.4
Sun VirtualBox packages 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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