CVE-2011-1898

virt: VT-d (PCI passthrough) MSI trap injection

Severity Score

7.4

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."

Xen v4.1 anterior a v4.1.1 y v4.0 anterior a v4.0.2, cuando usa PCI passthrough sobre chipsets Intel VT-d que no tienen que interrumplir remapeado, permite a usuarios invitados del OS obtener privilegios de anfitrión "usando DMA para generar interrupciones MSI escribiendo en el registro de inyección de interrupció"n.

*Credits: N/A

CVSS Scores

NISTv2 7.4

Attack Vector

Adjacent

Attack Complexity

Medium

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-05-04 CVE Reserved
2011-08-12 CVE Published
2023-08-31 EPSS Updated
2024-08-06 CVE Updated
2024-08-06 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-264: Permissions, Privileges, and Access Controls
CWE-284: Improper Access Control

CAPEC

References (10)

URL	Tag	Source
http://theinvisiblethings.blogspot.com/2011/05/following-white-rabbit-software-attacks.html	X_refsource_misc
http://xen.1045712.n5.nabble.com/Xen-security-advisory-CVE-2011-1898-VT-d-PCI-passthrough-MSI-td4390298.html	Mailing List

URL	Date	SRC
http://www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20Intel%20VT-d.pdf	2024-08-06

URL	Date	SRC
http://xen.org/download/index_4.0.2.html	2011-10-26

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062112.html	2011-10-26
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062139.html	2011-10-26
http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00017.html	2011-10-26
http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00018.html	2011-10-26
https://access.redhat.com/security/cve/CVE-2011-1898	2012-03-06
https://bugzilla.redhat.com/show_bug.cgi?id=715555	2012-03-06

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Citrix Search vendor "Citrix"		Xen Search vendor "Citrix" for product "Xen"				4.0.0 Search vendor "Citrix" for product "Xen" and version "4.0.0"		-		Affected
Citrix Search vendor "Citrix"		Xen Search vendor "Citrix" for product "Xen"				4.0.1 Search vendor "Citrix" for product "Xen" and version "4.0.1"		-		Affected
Citrix Search vendor "Citrix"		Xen Search vendor "Citrix" for product "Xen"				4.1.0 Search vendor "Citrix" for product "Xen" and version "4.1.0"		-		Affected