6.3 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
3.3 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:P/A:N
A security vulnerability has been identified in Citrix XenServer that may allow malicious user code within an HVM guest VM to read or modify the contents of certain registers belonging to other tasks within that same guest VM.
This vulnerability affects all currently supported versions of Citrix XenServer up to and including Citrix XenServer 7.0.
The following vulnerability has been addressed:
PV guest VMs are unaffected by this issue.
Hotfixes have been released to address these issues. Citrix recommends that affected customers install these hotfixes, which can be downloaded from the following locations:
Citrix is notifying customers and channel partners about this potential security issue. This article is also available from the Citrix Knowledge Center at _ <http://support.citrix.com/>_.
If you require technical assistance with this issue, please contact Citrix Technical Support. Contact details for Citrix Technical Support are available at _ <https://www.citrix.com/support/open-a-support-case.html>_.
Citrix welcomes input regarding the security of its products and considers any and all potential vulnerabilities seriously. For guidance on how to report security-related issues to Citrix, please see the following document: CTX081743 – Reporting Security Issues to Citrix
CPE | Name | Operator | Version |
---|---|---|---|
citrix xenserver | eq | 7.0 | |
citrix xenserver | eq | 6.5 SP1 | |
citrix xenserver | eq | 6.2 SP1 |
6.3 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
3.3 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:P/A:N