SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   Application (Generic)  >   Xen Vendors:   Xen Project
Xen HYPERVISOR_xen_version Hypercall Bug Lets Local Guest Users Obtain Information From Other Guest Systems
SecurityTracker Alert ID:  1031837
SecurityTracker URL:  http://securitytracker.com/id/1031837
CVE Reference:   CVE-2015-2045   (Links to External Site)
Date:  Mar 5 2015
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.2.x and later; possibly earlier versions
Description:   A vulnerability was reported in Xen. A local user on a guest system can access potentially sensitive information from the hypervisor.

The HYPERVISOR_xen_version hypercall does not properly initialize data structures to be returned in response to a call from the guest and may contain hypervisor stack contents.

Aaron Adams of NCC Group reported this vulnerability.

Impact:   A local user on a guest system can access potentially sensitive information from the hypervisor, including information from other guests.
Solution:   The vendor has issued a fix (xsa122.patch).

The vendor's advisory is available at:

http://xenbits.xen.org/xsa/advisory-122.html

Vendor URL:  xenbits.xen.org/xsa/advisory-122.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any)

Message History:   None.


 Source Message Contents



[Original Message Not Available for Viewing]


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2019, SecurityGlobal.net LLC