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MitreCVE-2016-9637

HistoryFeb 17, 2017 - 2:59 a.m.

CVE-2016-9637

2017-02-1702:59:13

CWE-264

mitre

web.nvd.nist.gov

cve-2016-9637

xen

ioport_read

ioport_write

qemu

device model

x86

hvm

guest os

privilege escalation

vulnerability

CVSS2

3.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:H/Au:N/C:P/I:P/A:P

CVSS3

7.5

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

26.7%

JSON

The (1) ioport_read and (2) ioport_write functions in Xen, when qemu is used as a device model within Xen, might allow local x86 HVM guest OS administrators to gain qemu process privileges via vectors involving an out-of-range ioport access.

Affected configurations

Nvd

Node

citrixxenserverMatch6.0.2

citrixxenserverMatch6.2.0sp1

citrixxenserverMatch6.5sp1

citrixxenserverMatch7.0

VendorProductVersionCPE
citrixxenserver6.0.2cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*
citrixxenserver6.2.0cpe:2.3:a:citrix:xenserver:6.2.0:sp1:*:*:*:*:*:*
citrixxenserver6.5cpe:2.3:a:citrix:xenserver:6.5:sp1:*:*:*:*:*:*
citrixxenserver7.0cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
citrix	xenserver	6.0.2	cpe:2.3:a:citrix:xenserver:6.0.2:::::::*
citrix	xenserver	6.2.0	cpe:2.3:a:citrix:xenserver:6.2.0:sp1::::::
citrix	xenserver	6.5	cpe:2.3:a:citrix:xenserver:6.5:sp1::::::
citrix	xenserver	7.0	cpe:2.3:a:citrix:xenserver:7.0:::::::*