CVE-2018-19963

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.

CVSS v3 7.8 HIGH
CVSS v2.0 6.9 MEDIUM

7.8^/10

CVSS v3 : HIGH

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

Exploitability : 1.1 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:o:xen:xen:4.11.0:*:*:*:*:*:*:*

History

21 Nov 2024, 03:58

Type	Values Removed	Values Added
References	~~() http://www.securityfocus.com/bid/106182 - Third Party Advisory, VDB Entry~~	() http://www.securityfocus.com/bid/106182 - Third Party Advisory, VDB Entry
References	~~() https://xenbits.xen.org/xsa/advisory-276.html - Patch, Third Party Advisory~~	() https://xenbits.xen.org/xsa/advisory-276.html - Patch, Third Party Advisory

Information

Published : 2018-12-08 04:29

Updated : 2024-11-21 03:58

NVD link : CVE-2018-19963

Mitre link : CVE-2018-19963

CVE.ORG link : CVE-2018-19963

JSON object : View

Products Affected

xen

xen

CWE

CWE-617

Reachable Assertion

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