Vulnerability Monitor

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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.

Published

2019-03-27T13:29:01.680

Last Modified

2024-11-21T04:42:40.563

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.8 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

6.8

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-476
Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	redhat	libvirt	< 5.0.0	Yes
Operating System	opensuse	leap	15.0	Yes
Operating System	opensuse	leap	42.3	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html Mailing List, Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2019:2294 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1663051 Exploit, Issue Tracking, Third Party Advisory, Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840 Exploit, Issue Tracking, Patch, Vendor Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZRP2BRMI4RYFRPNFTTIAAUOGVN2ORP7/ ([email protected])
https://www.redhat.com/archives/libvir-list/2019-January/msg00241.html Exploit, Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2019:2294 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1663051 Exploit, Issue Tracking, Third Party Advisory, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840 Exploit, Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZRP2BRMI4RYFRPNFTTIAAUOGVN2ORP7/ (af854a3a-2127-422b-91ae-364da2661108)
https://www.redhat.com/archives/libvir-list/2019-January/msg00241.html Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)