CVE-2018-18883

CVSS V2 High 7.2 CVSS V3 High 8.8
Description
An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.
Overview
  • CVE ID
  • CVE-2018-18883
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-11-01T00:29:00
  • Last Modified Date
  • 2019-01-24T14:23:57
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* 1 OR 4.9.0 4.11.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2
  • Impact Score
  • 6
References
Reference URL Reference Tags
https://xenbits.xen.org/xsa/advisory-278.html Mitigation Patch Vendor Advisory
http://www.securitytracker.com/id/1042021 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/105817 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-18883
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18883
History
Created Old Value New Value Data Type Notes
2022-05-10 08:00:08 Added to TrackCVE
2022-12-03 14:01:19 2018-11-01T00:29Z 2018-11-01T00:29:00 CVE Published Date updated
2022-12-03 14:01:19 2019-01-24T14:23:57 CVE Modified Date updated
2022-12-03 14:01:19 Analyzed Vulnerability Status updated