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Category:   Application (Generic)  >   Citrix XenServer Vendors:   Citrix
Citrix XenServer Memory Management Error Lets Local Administrative Users on the Guest Gain Access on the Host
SecurityTracker Alert ID:  1028740
SecurityTracker URL:  http://securitytracker.com/id/1028740
CVE Reference:   CVE-2013-1432   (Links to External Site)
Date:  Jul 5 2013
Impact:   User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.6 - 6.2
Description:   A vulnerability was reported in Citrix XenServer. A local user on the guest operating system can obtain access on the target host system.

A local administrative user on a PV guest can exploit a memory management page reference counting error to gain access on the target host server.

Systems running only HVM guests are not affected.

Impact:   A local administrative user on a PV guest can gain access on the target host server.
Solution:   The vendor has issued a hotfix.

The vendor's advisory is available at:

http://support.citrix.com/article/CTX138134

Vendor URL:  support.citrix.com/article/CTX138134 (Links to External Site)
Cause:   Access control error

Message History:   None.


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