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Description

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The following products have a vulnerability that can allow a

user of the host system to start an arbitrary program with

root privileges: 



VMware GSX Server 2.5.1 (for Linux systems) build 4968 and

earlier releases VMware Workstation 4.0 (for Linux systems)

and earlier releases  





Details/Impact

- --------------



By manipulating the VMware GSX Server and VMware Workstation

environment variables, a program such as a shell session with

root privileges could be started when a virtual machine is

launched. The user would then have full access to the host.



VMware strongly urges customers running GSX Server and

Workstation (for Linux systems) to upgrade as soon

as possible. 



Customers running any version of VMware GSX Server or

Workstation (for Windows operating systems) are not subject to

this vulnerability. 



Solution

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To correct the vulnerability in VMware Workstation 4.0, VMware

has released the following: 



- - Workstation 4.0.1 



To correct the vulnerability in GSX Server 2.5.1, VMware will

release the following: 



- - GSX Server 2.5.1 patch 1 (for Linux systems) 



Details

- -----------

GSX Server 2.5.1 patch 1 (for Linux systems) 



VMware GSX Server customers with support services are entitled

to download and install this patched version. VMware strongly

urges customers running GSX Server (for Linux 

systems) to upgrade as soon as possible.



VMware GSX Server customers with support services are entitled

to download and install this patched version from 



http://www.vmware.com/vmwarestore/newstore/download.jsp?ProductCode=GSX-LX-ESD



This will be available soon. 



Upgrade instructions are at:

http://www.vmware.com/support/gsx25/doc/upgrade_gsx.html



- -----------

VMware Workstation 4.0.1 



VMware Workstation customers, if covered under the VMware Workstation Product

Upgrade Policy as described at:



http://www.vmware.com/vmwarestore/pricing.html



are entitled to download and install this updated version from



http://www.vmware.com/vmwarestore/newstore/download.jsp?ProductCode=WKST4-LX-ESD



This is available today. 



Upgrade instructions are at



http://www.vmware.com/support/ws4/doc/ws40_upgrade.html





Notes

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* VMware wishes to thank Paul Szabo of the University of Sydney for alerting us

to this vulnerability.



His Web page is at: 

http://www.maths.usyd.edu.au:8000/u/psz/





* VMware has posted a knowledge base article that describes this problem:



http://www.vmware.com/support/kb/enduser/std_adp.php?p_faqid=1039



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This document is clear signed with PGP.  



VMware has the PGP public key available at



http://www.vmware.com/support/kb/enduser/std_adp.php?p_faqid=1055



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