Vulnerability DatabaseCVE-2018-19966
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CVE-2018-19966
December 08, 2018
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.
Related Resources (8)
http://www.securityfocus.com/bid/106182
https://access.redhat.com/security/cve/CVE-2018-19966
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
https://xenbits.xen.org/xsa/advisory-280.html
https://www.debian.org/security/2019/dsa-4369
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-19966
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
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CVSS v4
Base Score:
9.3
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
8.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
7.2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Weakness Type (CWE)
Interpretation Conflict
CWE-436
EPSS
Base Score:
0.12