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Category:   Application (Generic)  >   Sun xVM VirtualBox (please use Oracle VM VirtualBox) Vendors:   Sun
Sun xVM VirtualBox Unsafe Temporary File Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1021384
SecurityTracker URL:  http://securitytracker.com/id/1021384
CVE Reference:   CVE-2008-5256   (Links to External Site)
Date:  Dec 11 2008
Impact:   User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.0.x prior to 2.0.6
Description:   A vulnerability was reported in Sun xVM VirtualBox. A local user can obtain elevated privileges on the target system.

A local user can create a symbolic link (symlink) from a file on the system to a temporary file ('/tmp/.vbox-$USER-ipc/lock') used by VirtualBox. When the temporary file is created, the symlinked file will be created or overwritten with the privileges of the user running the VirtualBox.

Debian reported this vulnerability.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   The vendor has issued the following fixes, available at:

http://dlc.sun.com/virtualbox/vboxdownload.html

x86 Platform

* Sun xVM VirtualBox 2.0.6

Linux

* Sun xVM VirtualBox 2.0.6

Mac OSX

* Sun xVM VirtualBox 2.0.6

The vendor's advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-66-247326-1

Vendor URL:  sunsolve.sun.com/search/document.do?assetkey=1-66-247326-1 (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Any), UNIX (macOS/OS X), UNIX (Solaris - SunOS)

Message History:   None.


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