CVE-2017-12135

Gentoo Linux Security Advisory 201801-14

Severity Score

8.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving transitive grants.

Xen permite que usuarios locales invitados del sistema operativo provoquen una denegación de servicio (bloqueo) o que tengan la posibilidad de obtener información sensible u obtener privilegios mediante vectores relacionados con concesiones transitivas.

Multiple vulnerabilities have been found in Xen, the worst of which could allow for privilege escalation. Versions less than 4.9.1-r1 are affected.

*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

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-08-01 CVE Reserved
2017-08-24 CVE Published
2024-08-05 CVE Updated
2025-06-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-682: Incorrect Calculation

CAPEC

References (10)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2017/08/15/1	Mailing List
http://www.openwall.com/lists/oss-security/2017/08/17/6	Mailing List
http://www.openwall.com/lists/oss-security/2020/04/14/4	Mailing List
http://www.securityfocus.com/bid/100344	Third Party Advisory
http://www.securitytracker.com/id/1039178	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
http://xenbits.xen.org/xsa/advisory-226.html	2020-04-14
https://bugzilla.redhat.com/show_bug.cgi?id=1477655	2020-04-14
https://support.citrix.com/article/CTX225941	2020-04-14

URL	Date	SRC
http://www.debian.org/security/2017/dsa-3969	2020-04-14
https://security.gentoo.org/glsa/201801-14	2020-04-14

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
Citrix Search vendor "Citrix"		Xenserver Search vendor "Citrix" for product "Xenserver"				6.0.2 Search vendor "Citrix" for product "Xenserver" and version "6.0.2"		-		Affected
Citrix Search vendor "Citrix"		Xenserver Search vendor "Citrix" for product "Xenserver"				6.2.0 Search vendor "Citrix" for product "Xenserver" and version "6.2.0"		-		Affected
Citrix Search vendor "Citrix"		Xenserver Search vendor "Citrix" for product "Xenserver"				6.5 Search vendor "Citrix" for product "Xenserver" and version "6.5"		-		Affected
Citrix Search vendor "Citrix"		Xenserver Search vendor "Citrix" for product "Xenserver"				7.0 Search vendor "Citrix" for product "Xenserver" and version "7.0"		-		Affected
Citrix Search vendor "Citrix"		Xenserver Search vendor "Citrix" for product "Xenserver"				7.1 Search vendor "Citrix" for product "Xenserver" and version "7.1"		-		Affected
Citrix Search vendor "Citrix"		Xenserver Search vendor "Citrix" for product "Xenserver"				7.2 Search vendor "Citrix" for product "Xenserver" and version "7.2"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected