Sun xVM VirtualBox Unsafe Temporary File Lets Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1021384 |
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SecurityTracker URL: http://securitytracker.com/id/1021384
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CVE Reference:
CVE-2008-5256
(Links to External Site)
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Date: Dec 11 2008
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Impact:
User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2.0.x prior to 2.0.6
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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.
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Impact:
A local user can obtain elevated privileges on the target system.
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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
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Vendor URL: sunsolve.sun.com/search/document.do?assetkey=1-66-247326-1 (Links to External Site)
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Cause:
Access control error, State error
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Underlying OS:
Linux (Any), UNIX (OS X), UNIX (Solaris - SunOS)
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Message History:
None.
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Source Message Contents
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Date: Wed, 10 Dec 2008 22:50:23 -0500
Subject: http://sunsolve.sun.com/search/document.do?assetkey=1-66-247326-1
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CVE-2008-5256
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