CVE Vulnerability

CVE-2018-19966

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2 / Impact : 6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://xenbits.xen.org/xsa/advisory-280.html Mitigation Patch
http://www.securityfocus.com/bid/106182 Third Party Advisory VDB Entry
https://www.debian.org/security/2019/dsa-4369 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
Configurations

Configuration 1

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2018-12-08 04:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-19966

Mitre link : CVE-2018-19966

Products Affected
No products.
CWE
CWE-436