CVE-2018-19962
CVSS V2 Medium 6.9
CVSS V3 High 7.8
Description
An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.
Overview
- CVE ID
- CVE-2018-19962
- 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 | 4.11.1 | |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:citrix:xenserver:7.1:cu1:*:*:ltsr:*:*:* | 1 | OR | ||
| cpe:2.3:a:citrix:xenserver:7.5:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:citrix:xenserver:7.6:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:M/Au:N/C:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 6.9
- Severity
- MEDIUM
- Exploitability Score
- 3.4
- Impact Score
- 10
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- HIGH
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.1
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://xenbits.xen.org/xsa/advisory-275.html | Vendor Advisory Patch |
| http://www.securityfocus.com/bid/106182 | Third Party Advisory VDB Entry |
| https://support.citrix.com/article/CTX239432 | Third Party Advisory |
| 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-2018-19962 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19962 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:34:30 | Added to TrackCVE | |||
| 2022-12-03 15:10:08 | 2018-12-08T04:29Z | 2018-12-08T04:29:00 | CVE Published Date | updated |
| 2022-12-03 15:10:08 | 2019-10-03T00:03:26 | CVE Modified Date | updated | |
| 2022-12-03 15:10:08 | Modified | Vulnerability Status | updated |