CVE-2018-19963

CVSS V2 Medium 6.9 CVSS V3 High 7.8

Description

An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because x86 IOREQ server resource accounting (for external emulators) was mishandled.

Overview

CVE ID
CVE-2018-19963

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2018-12-08T04:29:00

Last Modified Date
2019-10-03T00:03:26

Weakness Enumerations

CWE	URL
CWE-617	http://cwe.mitre.org/data/definitions/617.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:xen:xen:4.11.0:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:M/Au:N/C:C/I:C/A:C

Access Vector
LOCAL

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
6.9

Severity
MEDIUM

Exploitability Score
3.4

Impact Score
10

CVSS Version 3

Version
3.0

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

Attack Vector
LOCAL

Attack Compatibility
HIGH

Privileges Required
LOW

User Interaction
NONE

Scope
CHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.1

Impact Score
6

References

Reference URL	Reference Tags
https://xenbits.xen.org/xsa/advisory-276.html	Patch Third Party Advisory
http://www.securityfocus.com/bid/106182	Third Party Advisory VDB Entry

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-19963
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19963

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:34:30				Added to TrackCVE
2022-12-03 15:10:11	2018-12-08T04:29Z	2018-12-08T04:29:00	CVE Published Date	updated
2022-12-03 15:10:11		2019-10-03T00:03:26	CVE Modified Date	updated
2022-12-03 15:10:11		Analyzed	Vulnerability Status	updated