CVE-2016-4972

Description

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.

How to fix CVE-2016-4972

To remediate CVE-2016-4972, upgrade the affected package to a fixed version below.

• —upgrade to 1:2.0.1-1 or later
• —upgrade to 1:2.0.0-5 or later
• —upgrade to 0.8.3-4 or later
• —upgrade to 1.0.3 or later
• —upgrade to 1.0.3 or later
• —upgrade to 0.7.3 or later
• —upgrade to 0.7.3 or later

Is CVE-2016-4972 being exploited?

Low — EPSS is 3.9%, meaning exploitation activity has not been observed at scale.

Affected packages (7)

• from 0, < 1:2.0.1-1
• from 0, < 1:2.0.0-5
• from 0, < 0.8.3-4
• from 0, < 1.0.3
• from 0, < 1.0.3
• from 0, < 0.7.3, >= 0.8, < 0.8.5
• from 0, < 0.7.3

CVSS scores

References (11)

• ADVISORYgithub.com/advisories/GHSA-87r7-q54j-f9qg
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2016-4972
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2016-4972
• PATCHgithub.com/openstack/murano
• WEB