National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-3840 Detail

Current Description

A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 6.3 MEDIUM
Vector:  CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

Nist CVSS score does not match with CNA score
CNA:  Red Hat, Inc.
Base Score: 5.8 MEDIUM
Vector:  CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2294
https://bugzilla.redhat.com/show_bug.cgi?id=1663051 Exploit Issue Tracking Third Party Advisory Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840 Exploit Issue Tracking Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TZRP2BRMI4RYFRPNFTTIAAUOGVN2ORP7/
https://www.redhat.com/archives/libvir-list/2019-January/msg00241.html Exploit Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference NIST   Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
5.0.0

Configuration 2 ( hide )
 cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-3840
NVD Published Date:
03/27/2019
NVD Last Modified:
05/05/2019