#VU27545 Resource management error in libvirt - CVE-2019-20485 

 

#VU27545 Resource management error in libvirt - CVE-2019-20485

Published: May 5, 2020


Vulnerability identifier: #VU27545
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-20485
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libvirt
Software vendor:
libvirt.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources with the qemu/qemu_driver.c in libvirt while holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service (API blockage).


Remediation

Install updates from vendor's website.

External links