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Bug 1110139 - (CVE-2014-4167) CVE-2014-4167 openstack-neutron: L3-agent denial of service through IPv6 subnet
CVE-2014-4167 openstack-neutron: L3-agent denial of service through IPv6 subnet
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
: ---
: ---
Assigned To: Red Hat Product Security
impact=moderate,public=20140417,repor...
: Security
Depends On: 1110142 1110143 1110201 1110203 1110213 1110217 1114782
Blocks: 1090135
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Reported: 2014-06-17 02:50 EDT by Murray McAllister
Modified: 2016-04-26 14:10 EDT (History)
23 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Environment:
Last Closed: 2014-07-17 00:48:14 EDT
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CRM:
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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
Launchpad 1309195 None None None Never
Red Hat Product Errata RHSA-2014:0899 normal SHIPPED_LIVE Moderate: openstack-neutron security, bug fix, and enhancement update 2014-07-17 04:28:02 EDT

  None (edit)
Description Murray McAllister 2014-06-17 02:50:02 EDT 
The OpenStack project reports:

""
Title: Neutron L3-agent DoS through IPv6 subnet
Reporter: Thiago Martins (HP)
Products: Neutron
Versions: up to 2013.2.3, and 2014.1

Description:
Thiago Martins from Hewlett Packard reported a vulnerability in Neutron
L3-agent. By creating an IPv6 private subnet attached to a L3 router, an
authenticated user may break the L3-agent, preventing further floating
IPv4 addresses from being attached for the entire cloud. Note: removal
of the faulty network can not be done using the API and must be cleaned
at the database level. Only Neutron setups using IPv6 and L3-agent are
affected.
""

Upstream bug:

https://launchpad.net/bugs/1309195

Possible fixes (in the master branch):

https://review.openstack.org/#/c/88584/
https://git.openstack.org/cgit/openstack/neutron/commit/?id=d23bc8fa6e2d8a735a2aa75224b1bc96a3b992f5

CVE request:

http://www.openwall.com/lists/oss-security/2014/06/16/2
Comment 3 Murray McAllister 2014-06-17 02:52:07 EDT 
Created openstack-neutron tracking bugs for this issue:

Affects: fedora-20 [bug 1110142]
Comment 6 Murray McAllister 2014-06-18 00:08:16 EDT 
MITRE assigned CVE-2014-4167 to this issue:

http://www.openwall.com/lists/oss-security/2014/06/17/18
Comment 7 Fedora Update System 2014-06-25 21:59:34 EDT 
openstack-neutron-2013.2.3-9.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 10 errata-xmlrpc 2014-07-17 00:28:29 EDT 
This issue has been addressed in following products:

  OpenStack 4 for RHEL 6

Via RHSA-2014:0899 https://rhn.redhat.com/errata/RHSA-2014-0899.html
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