Vulnerability CVE-2017-10919

Vulnerability Name:

CVE-2017-10919 (CCN-127490)

Assigned:

2017-06-20

Published:

2017-06-20

Updated:

2019-10-03

Summary:

Xen through 4.8.x mishandles virtual interrupt injection, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-223.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

7.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
6.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

CWE-noinfo

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2017-10919

Source: DEBIAN
Type: UNKNOWN
DSA-3969

Source: BID
Type: Third Party Advisory, VDB Entry
99159

Source: CCN
Type: BID-99159
Xen 'xen/arch/arm/gic.c' Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1038733

Source: CCN
Type: Xen Security Advisory XSA-223
ARM guest disabling interrupt may crash Xen

Source: XF
Type: UNKNOWN
xen-vcpu-timers-dos(127490)

Source: GENTOO
Type: UNKNOWN
GLSA-201708-03

Source: CONFIRM
Type: Mailing List, Mitigation, Third Party Advisory
https://xenbits.xen.org/xsa/advisory-223.html

Vulnerable Configuration:

Configuration 1:

cpe:/o:xen:xen:*:*:*:*:*:*:*:* (Version <= 4.8.1)

Configuration CCN 1:

cpe:/a:xensource:xen:4.5:*:*:*:*:*:*:*

OR cpe:/a:xensource:xen:4.6:*:*:*:*:*:*:*

OR cpe:/a:xensource:xen:4.7:*:*:*:*:*:*:*

OR cpe:/a:xensource:xen:4.8:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:2017109190000000	V	CVE-2017-10919 on Ubuntu 16.04 LTS (xenial) - medium.	2017-07-05
oval:com.ubuntu.trusty:def:201710919000	V	CVE-2017-10919 on Ubuntu 14.04 LTS (trusty) - medium.	2017-07-04
oval:com.ubuntu.xenial:def:201710919000	V	CVE-2017-10919 on Ubuntu 16.04 LTS (xenial) - medium.	2017-07-04

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