CVE-2019-20485 Information

Description

qemu/qemu_driver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent which allows attackers to cause a denial of service (API blockage).

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953078 https://bugzilla.redhat.com/show_bug.cgi?id=1809740 https://libvirt.org/git/?p=libvirt.git;a=commit;h=a663a860819287e041c3de672aad1d8543098ecc https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D5GE6ISYUL3CIWO3FQRUGMKTKP2NYED2/ https://security-tracker.debian.org/tracker/CVE-2019-20485 https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1730509.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.7