CVE-2016-4962

Summary

CVECVE-2016-4962
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-06-07 14:06:15 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe libxl device-handling in Xen 4.6.x and earlier allows local OS guest administrators to cause a denial of service (resource consumption or management facility confusion) or gain host OS privileges by manipulating information in guest controlled areas of xenstore.

Risk And Classification

Primary CVSS: v3.0 6.7 MEDIUM from [email protected]

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

Problem Types: CWE-264 | n/a


VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.7MEDIUMCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary6.8AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:S/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Oracle Vm Server 3.3 All All All
Operating System Oracle Vm Server 3.4 All All All
Operating System Xen Xen 4.3.0 All All All
Operating System Xen Xen 4.3.1 All All All
Operating System Xen Xen 4.3.2 All All All
Operating System Xen Xen 4.3.3 All All All
Operating System Xen Xen 4.3.4 All All All
Operating System Xen Xen 4.4.0 All All All
Operating System Xen Xen 4.4.0 rc1 All All
Operating System Xen Xen 4.4.1 All All All
Operating System Xen Xen 4.4.2 All All All
Operating System Xen Xen 4.4.3 All All All
Operating System Xen Xen 4.4.4 All All All
Operating System Xen Xen 4.5.0 All All All
Operating System Xen Xen 4.5.1 All All All
Operating System Xen Xen 4.5.2 All All All
Operating System Xen Xen 4.5.3 All All All
Operating System Xen Xen 4.6.0 All All All
Operating System Xen Xen 4.6.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Xen CVE-2016-4962 Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Oracle VM Server for x86 Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Vendor Advisory
Debian -- Security Information -- DSA-3633-1 xen af854a3a-2127-422b-91ae-364da2661108 www.debian.org
XSA-175 - Xen Security Advisories af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Vendor Advisory
Xen Input Validation Flaw in libxl Lets Local Guest Users Deny Service and Gain Elevated Privileges on the Host System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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