CVE-2018-19962 : An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly all

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.

Published 2018-12-08 04:29:00

Updated 2019-10-03 00:03:26

Source MITRE

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2018-19962

Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Citrix » Xenserver » Version: 7.0
cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*
Matching versions
Citrix » Xenserver » Version: 7.5
cpe:2.3:a:citrix:xenserver:7.5:*:*:*:*:*:*:*
Matching versions
Citrix » Xenserver » Version: 7.6
cpe:2.3:a:citrix:xenserver:7.6:*:*:*:*:*:*:*
Matching versions
Citrix » Xenserver » Version: 7.1 Update CU1 Ltsr Edition
cpe:2.3:a:citrix:xenserver:7.1:cu1:*:*:ltsr:*:*:*
Matching versions
XEN » XEN
Versions up to, including, (<=) 4.11.1
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-19962

EPSS FAQ

0.11%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 26 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-19962

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.9	MEDIUM	AV:L/AC:M/Au:N/C:C/I:C/A:C	3.4	10.0	NIST
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.8	HIGH	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H	1.1	6.0	NIST
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-19962

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-19962

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html

[security-announce] openSUSE-SU-2019:1226-1: important: Security update

CVEs referencing this url
https://xenbits.xen.org/xsa/advisory-275.html

XSA-275 - Xen Security Advisories
Vendor Advisory;Patch

CVEs referencing this url
https://www.debian.org/security/2019/dsa-4369

Debian -- Security Information -- DSA-4369-1 xen
Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/

[SECURITY] Fedora 28 Update: xen-4.10.3-2.fc28 - package-announce - Fedora Mailing-Lists

CVEs referencing this url
http://www.securityfocus.com/bid/106182

Xen Multiple Privilege Escalation and Denial of Service Vulnerabilities
Third Party Advisory;VDB Entry

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html

[SECURITY] [DLA 1949-1] xen security update

CVEs referencing this url
https://support.citrix.com/article/CTX239432

Citrix XenServer Security Update
Third Party Advisory

CVEs referencing this url

Jump to

Vulnerability Details : CVE-2018-19962

Products affected by CVE-2018-19962

Exploit prediction scoring system (EPSS) score for CVE-2018-19962

CVSS scores for CVE-2018-19962

CWE ids for CVE-2018-19962

References for CVE-2018-19962