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TITLE:
Sun xVM VirtualBox "VBoxDrv.sys" IOCTL Privilege Escalation
Vulnerability

SECUNIA ADVISORY ID:
SA31361

VERIFY ADVISORY:
http://secunia.com/advisories/31361/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Sun xVM VirtualBox 1.6.x
http://secunia.com/product/19420/

DESCRIPTION:
Core Security Technologies has reported a vulnerability in Sun xVM
VirtualBox, which can be exploited by malicious, local users to gain
escalated privileges.

The vulnerability is caused due to an error within the VBoxDrv.sys
driver when handling certain IOCTLs. This can be exploited to execute
arbitrary code with kernel privileges on a vulnerable host.

Note: This only affects the Windows version.

The vulnerability is reported in Sun xVM VirtualBox 1.6.0 and 1.6.2.
Other versions prior to 1.6.4 may also be affected.

SOLUTION:
Update to version 1.6.4.

PROVIDED AND/OR DISCOVERED BY:
Anibal Sacco, Core Security Technologies

ORIGINAL ADVISORY:
Core Security Technologies:
http://www.coresecurity.com/content/virtualbox-privilege-escalation-vulnerability

Sun:
http://virtualbox.org/wiki/Changelog

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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