NVD - CVE-2016-9932

CVE-2016-9932 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Current Description

CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.

Source: MITRE
Description Last Modified: 01/26/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 3.3 LOW
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N (V3 legend)
Impact Score: 1.4
Exploitability Score: 1.8

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

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.debian.org/security/2017/dsa-3847
http://www.securityfocus.com/bid/94863	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037468	Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-200.html	Patch Vendor Advisory
https://security.gentoo.org/glsa/201612-56
https://support.citrix.com/article/CTX219378	Vendor Advisory

Technical Details

Vulnerability Type (View All)

Information Leak / Disclosure (CWE-200)

Vulnerable software and versions Switch to CPE 2.2

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

3 change records found - show changes

Initial Analysis - 1/27/2017 11:08:46 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 1984 characters. View Entire Change Record 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:4.0.0::::::: cpe:2.3:o:xen:xen:4.0.1::::::: cpe:2.3:o:xen:xen:4.0.2::::::: *cpe:2.3
Added	CVSS V2		(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Added	CVSS V3		AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Added	CWE		CWE-200
Changed	Reference Type	http://www.securityfocus.com/bid/94863 No Types Assigned	http://www.securityfocus.com/bid/94863 Third Party Advisory, VDB Entry
Changed	Reference Type	http://www.securitytracker.com/id/1037468 No Types Assigned	http://www.securitytracker.com/id/1037468 Third Party Advisory, VDB Entry
Changed	Reference Type	http://xenbits.xen.org/xsa/advisory-200.html No Types Assigned	http://xenbits.xen.org/xsa/advisory-200.html Vendor Advisory, Patch
Changed	Reference Type	https://support.citrix.com/article/CTX219378 No Types Assigned	https://support.citrix.com/article/CTX219378 Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2016-9932
NVD Published Date:
01/26/2017
NVD Last Modified:
11/03/2017

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National Vulnerability Database

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CVE-2016-9932 Detail

Current Description

Analysis Description