CVE-2019-3840

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.

CVSS v3.0 6.3 MEDIUM
CVSS v2.0 3.5 LOW

6.3^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 1.8 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

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

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

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

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Configurations

Configuration 1 (hide)

cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:opensuse:leap:42.3:::::::*
	cpe:2.3:o:opensuse:leap:15.0:::::::*

Information

Published : 2019-03-27 06:29

Updated : 2019-05-04 22:29

NVD link : CVE-2019-3840

Mitre link : CVE-2019-3840

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

opensuse

leap

redhat

libvirt

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