What is CVE-2016-4972?

CVE-2016-4972 is a critical-severity vulnerability in Openstack Mitaka-Murano, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-09-26.

How severe is CVE-2016-4972?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Openstack Mitaka-Murano

CVE-2016-4972

OpenStack Murano before 1.0.3 (liberty) and 2.x before 2.0.1 (mitaka), Murano-dashboard before 1.0.3 (liberty) and 2.x before 2.0.1 (mitaka), and python-muranoclient before 0.7.3 (liberty) and 0.8.x before 0.8.5 (mitaka) improperly use loaders inherited from yaml.Loader when parsing MuranoPL and UI files, which allows remote attackers to create arbitrary Python objects and execute arbitrary code via crafted extended YAML tags in UI definitions in packages.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.032 (86.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

secalert@redhat.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
secalert@redhat.com (mailing-list, x_refsource_MLIST, Patch, Third Party Advisory)
secalert@redhat.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-4972?: CVE-2016-4972 is a critical-severity vulnerability in Openstack Mitaka-Murano, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-09-26.
How severe is CVE-2016-4972?: Critical severity. CVSS v3 base score is 9.8 out of 10.