CVE-2018-19966
CVSS V2 High 7.2
CVSS V3 High 8.8
Description
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.
Overview
- CVE ID
- CVE-2018-19966
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2018-12-08T04:29:00
- Last Modified Date
- 2019-10-03T00:03:26
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | 1 | OR | 4.11.0 | 4.11.1 |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
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-280.html | Mitigation Patch Vendor Advisory |
| 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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-19966 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19966 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:34:31 | Added to TrackCVE | |||
| 2022-12-03 15:10:20 | 2018-12-08T04:29Z | 2018-12-08T04:29:00 | CVE Published Date | updated |
| 2022-12-03 15:10:20 | 2019-10-03T00:03:26 | CVE Modified Date | updated | |
| 2022-12-03 15:10:20 | Modified | Vulnerability Status | updated |