Improper Input Validation Affecting libvirt-daemon-driver-qemu package, versions <0:4.5.0-36.amzn2.2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Improper Input Validation vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-AMZN2-LIBVIRTDAEMONDRIVERQEMU-1688617
  • published27 Sept 2021
  • disclosed19 Mar 2020

Introduced: 19 Mar 2020

CVE-2019-20485  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 libvirt-daemon-driver-qemu to version 0:4.5.0-36.amzn2.2 or higher.
This issue was patched in ALAS2-2020-1557.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-driver-qemu package and not the libvirt-daemon-driver-qemu package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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 Scores

version 3.1