Vulnerability Report

CVE-2018-19965

Title: Citrix Xenserver Denial of Service (DoS)

Denial of Service (DoS)

Proof Of Concept

No public PoC currently indexed for CVE-2018-19965.

CWE Category NVD-CWE-noinfo
Published Date Dec 08, 2018
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.6 CVSS v3.0
Exploit Probability (EPSS)
0.41%

Vulnerability Summary

CVE-2018-19965: An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation.

Impacted Vendors

C
citrix 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html http://www.securityfocus.com/bid/106182 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/ https://support.citrix.com/article/CTX239432 https://www.debian.org/security/2019/dsa-4369 https://xenbits.xen.org/xsa/advisory-279.html http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html http://www.securityfocus.com/bid/106182 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/ https://support.citrix.com/article/CTX239432 https://www.debian.org/security/2019/dsa-4369 https://xenbits.xen.org/xsa/advisory-279.html
CVSS v3.0
Source Entity [email protected]
Severity MEDIUM
5.6
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.7
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:M/Au:N/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2018-19965 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected Stack

No specific products linked.