CVE-2016-4972

Published on: 09/26/2016 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:26:57 PM UTC

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Certain versions of Mitaka-murano from Openstack contain the following vulnerability:

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.

  • CVE-2016-4972 has been assigned by [email protected] to track the vulnerability - currently rated as - currently rated as CRITICAL severity.

CVSS3 Score: 9.8 - CRITICAL

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 7.5 - HIGH

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
Bug #1586079 “YaqlYamlLoader inherits from YamlLoader” : Bugs : Murano Patch
Vendor Advisory
bugs.launchpad.net
text/html
URL Logo CONFIRM bugs.launchpad.net/murano/+bug/1586079
Bug #1586078 “YaqlYamlLoader inherits from YamlLoader " : Bugs : python-muranoclient Patch
Vendor Advisory
bugs.launchpad.net
text/html
URL Logo CONFIRM bugs.launchpad.net/python-muranoclient/+bug/1586078
oss-security - RCE vulnerability in Openstack Murano using insecure YAML tags (CVE-2016-4972) Patch
Third Party Advisory
www.openwall.com
text/html
URL Logo MLIST [oss-security] 20160623 RCE vulnerability in Openstack Murano using insecure YAML tags (CVE-2016-4972)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationOpenstackMitaka-muranoAllAllAllAll
ApplicationOpenstackMuranoAllAllAllAll
ApplicationOpenstackMurano-dashboardAllAllAllAll
ApplicationOpenstackPython-muranoclientAllAllAllAll
  • cpe:2.3:a:openstack:mitaka-murano:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:openstack:murano:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:openstack:murano-dashboard:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:openstack:python-muranoclient:*:*:*:*:*:*:*:*: