CVE-2019-3840

medium

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.

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.html

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html

https://access.redhat.com/errata/RHSA-2019:2294

https://bugzilla.redhat.com/show_bug.cgi?id=1663051

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840

https://lists.fedoraproject.org/archives/list/[email protected]/message/TZRP2BRMI4RYFRPNFTTIAAUOGVN2ORP7/

https://www.redhat.com/archives/libvir-list/2019-January/msg00241.html

Details

Source: MITRE

Published: 2019-03-27

Updated: 2019-05-05

Type: CWE-476

Risk Information

CVSS v2

Base Score: 3.5

Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 6.8

Severity: LOW

CVSS v3

Base Score: 6.3

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

Impact Score: 4

Exploitability Score: 1.8

Severity: MEDIUM