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MitreCVE-2016-9386

HistoryJan 23, 2017 - 9:59 p.m.

CVE-2016-9386

2017-01-2321:59:02

CWE-264

mitre

web.nvd.nist.gov

xen

x86

emulator

vulnerability

cve-2016-9386

nvd

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

26.7%

JSON

The x86 emulator in Xen does not properly treat x86 NULL segments as unusable when accessing memory, which might allow local HVM guest users to gain privileges via vectors involving “unexpected” base/limit values.

Affected configurations

Nvd

Node

citrixxenserverMatch6.0.2

citrixxenserverMatch6.2.0

citrixxenserverMatch6.5

citrixxenserverMatch7.0

Node

xenxen

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

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:::::::*
citrix	xenserver	6.5	cpe:2.3:a:citrix:xenserver:6.5:::::::*
citrix	xenserver	7.0	cpe:2.3:a:citrix:xenserver:7.0:::::::*
xen	xen	*	cpe:2.3:o:xen:xen::::::::