CVE-2016-3960

Debian Security Advisory 3554-1

Severity Score

8.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Integer overflow in the x86 shadow pagetable code in Xen allows local guest OS users to cause a denial of service (host crash) or possibly gain privileges by shadowing a superpage mapping.

Desbordamiento de entero en el código shadow pagetable en Xen permite a usuarios locales del SO invitado provocar una denegación de servicio (caída de host) o posiblemente obtener privilegios sombreando un mapeo de superpágina.

An update that solves 27 vulnerabilities and has 18 fixes is now available. This update for xen to version 4.5.3 fixes the several issues. These security issues were fixed.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-04-05 CVE Reserved
2016-04-19 CVE Published
2024-08-06 CVE Updated
2025-05-18 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-264: Permissions, Privileges, and Access Controls

CAPEC

References (9)

URL	Tag	Source
http://support.citrix.com/article/CTX209443	X_refsource_confirm
http://www.securityfocus.com/bid/86318	Vdb Entry
http://www.securitytracker.com/id/1035587	Vdb Entry

URL	Date	SRC

URL	Date	SRC
http://xenbits.xen.org/xsa/advisory-173.html	2016-12-03

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html	2016-12-03
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.html	2016-12-03
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html	2016-12-03
http://www.debian.org/security/2016/dsa-3554	2016-12-03
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html	2016-12-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				-		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				22 Search vendor "Fedoraproject" for product "Fedora" and version "22"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				23 Search vendor "Fedoraproject" for product "Fedora" and version "23"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				24 Search vendor "Fedoraproject" for product "Fedora" and version "24"		-		Affected
Oracle Search vendor "Oracle"		Vm Server Search vendor "Oracle" for product "Vm Server"				3.2 Search vendor "Oracle" for product "Vm Server" and version "3.2"		-		Affected
Oracle Search vendor "Oracle"		Vm Server Search vendor "Oracle" for product "Vm Server"				3.3 Search vendor "Oracle" for product "Vm Server" and version "3.3"		-		Affected
Oracle Search vendor "Oracle"		Vm Server Search vendor "Oracle" for product "Vm Server"				3.4 Search vendor "Oracle" for product "Vm Server" and version "3.4"		-		Affected