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Bug 1084868 - (CVE-2014-0167) CVE-2014-0167 openstack-nova: RBAC policy not properly enforced in Nova EC2 API
CVE-2014-0167 openstack-nova: RBAC policy not properly enforced in Nova EC2 API
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
: ---
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Assigned To: Red Hat Product Security
impact=moderate,public=20140409,repor...
: Security
Depends On: 1086266 1086265 1120316
Blocks: 1084871 1112500
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Reported: 2014-04-07 01:40 EDT by Garth Mollett
Modified: 2016-04-26 20:37 EDT (History)
15 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
It was found that RBAC policies were not enforced in certain methods of the OpenStack Compute EC2 (Amazon Elastic Compute Cloud) API. A remote attacker could use this flaw to escalate their privileges beyond the user group they were originally restricted to. Note that only certain setups using non-default RBAC rules for OpenStack Compute were affected.
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Clone Of:
Environment:
Last Closed: 2014-08-21 01:00:19 EDT
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Regression: ---
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CRM:
Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2014:1084 normal SHIPPED_LIVE Moderate: openstack-nova security, bug fix, and enhancement update 2014-08-21 00:34:32 EDT

  None (edit)
Description Garth Mollett 2014-04-07 01:40:50 EDT 
Tristan Cacqueray reports:

Title: RBAC policy not properly enforced in Nova EC2 API
Reporter: Marc Heckmann (Ubisoft)
Products: Nova
Versions: 2013.1 versions up to 2013.2.3

Description:
Marc Heckmann from Ubisoft reported a vulnerability in the Nova EC2 API
security group implementation. RBAC policies are not enforced when using
the EC2 API, in particular the add_rules, remove_rules and destroy
methods. A restricted user may overcome his limitation by using EC2 API
resulting in unauthorized action on security groups. Only setups using
non-default RBAC rules for Nova may be affected.
Comment 1 Murray McAllister 2014-04-10 09:36:28 EDT 
Acknowledgements:

Red Hat would like to thank the Openstack Project for reporting this issue. Upstream acknowledges Marc Heckmann of Ubisoft as the original reporter.
Comment 2 Murray McAllister 2014-04-10 09:39:05 EDT 
This issue is public now:

http://www.openwall.com/lists/oss-security/2014/04/09/26
Comment 4 Murray McAllister 2014-04-10 09:40:27 EDT 
Created openstack-nova tracking bugs for this issue:

Affects: fedora-all [bug 1086265]
Comment 5 Fedora Update System 2014-07-11 22:22:24 EDT 
openstack-nova-2013.2.3-2.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 7 Martin Prpič 2014-08-15 03:07:06 EDT 
IssueDescription:

It was found that RBAC policies were not enforced in certain methods of the OpenStack Compute EC2 (Amazon Elastic Compute Cloud) API. A remote attacker could use this flaw to escalate their privileges beyond the user group they were originally restricted to. Note that only certain setups using non-default RBAC rules for OpenStack Compute were affected.
Comment 8 errata-xmlrpc 2014-08-20 20:40:03 EDT 
This issue has been addressed in following products:

  OpenStack 4 for RHEL 6

Via RHSA-2014:1084 https://rhn.redhat.com/errata/RHSA-2014-1084.html
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