National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-1571 Detail

Description

The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.

Source:  MITRE
Description Last Modified:  01/22/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.3 MEDIUM
Vector: AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H (V3 legend)
Impact Score: 4.0
Exploitability Score: 1.8

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.7 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.4

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://support.citrix.com/article/CTX205496 Third Party Advisory
http://www.debian.org/security/2016/dsa-3519
http://www.securitytracker.com/id/1034745 Third Party Advisory
http://xenbits.xen.org/xsa/advisory-168.html Vendor Advisory

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:citrix:xenserver:*:sp1:*:*:*:*:*:*    versions up to (including) 6.5
Configuration 2
OR
cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.6:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.6.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.4:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.5:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.4.0:rc1:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*

Denotes Vulnerable Software
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Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-1571
NVD Published Date:
01/22/2016
NVD Last Modified:
10/30/2018