NVD - CVE-2014-7155

CVE-2014-7155 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.

Description

The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.

Source: MITRE
Description Last Modified: 10/02/2014

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.8 MEDIUM
Vector: (AV:A/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 6.5

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

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html	Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html	Third Party Advisory
http://secunia.com/advisories/61890
http://security.gentoo.org/glsa/glsa-201412-42.xml
http://support.citrix.com/article/CTX200218	Third Party Advisory
http://www.debian.org/security/2014/dsa-3041	Third Party Advisory
http://www.securityfocus.com/bid/70057	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1030888	Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-105.html	Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

Permissions, Privileges, and Access Control (CWE-264)

Vulnerable software and versions Switch to CPE 2.2

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

Change History

11 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-7155
NVD Published Date:
10/02/2014
NVD Last Modified:
10/30/2018

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-7155 Detail

Description

Impact

References to Advisories, Solutions, and Tools

Technical Details

Vulnerable software and versions Switch to CPE 2.2

Change History

CPE Deprecation Remap - 10/30/2018 12:27:35 PM

CPE Deprecation Remap - 10/30/2018 12:27:34 PM

CPE Deprecation Remap - 10/30/2018 12:26:53 PM

CPE Deprecation Remap - 10/30/2018 12:26:53 PM

CVE Modified by MITRE - 1/2/2017 9:59:11 PM

Modified Analysis - 10/6/2016 1:22:39 PM

Initial CVE Analysis - 10/6/2016 1:22:38 PM

CVE Modified by Source - 12/6/2014 10:00:35 PM

CVE Modified by Source - 12/2/2014 10:02:20 PM

CVE Modified by Source - 11/13/2014 10:08:18 PM

Initial CVE Analysis - 10/3/2014 9:39:22 AM

Quick Info