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Bug 1163457 - (CVE-2014-7821) CVE-2014-7821 openstack-neutron: DoS via maliciously crafted dns_nameservers
CVE-2014-7821 openstack-neutron: DoS via maliciously crafted dns_nameservers
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=20141119,repor...
: Security
Depends On: 1165886 1165887 1166074 1166075 1166318 1168800
Blocks: 1163459
  Show dependency treegraph
 
Reported: 2014-11-12 13:06 EST by Vincent Danen
Modified: 2016-04-26 12:16 EDT (History)
20 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A denial of service flaw was found in the way neutron handled the 'dns_nameservers' parameter. By providing specially crafted 'dns_nameservers' values, an authenticated user could use this flaw to crash the neutron service.
Story Points: ---
Clone Of:
Environment:
Last Closed: 2015-01-13 19:10:23 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---


Attachments (Terms of Use)
patch for CVE-2014-7821 (stable-juno) (1.46 KB, patch)
2014-11-12 13:09 EST, Vincent Danen
no flags Details | Diff
patch for CVE-2014-7821 (stable-icehouse) (1.46 KB, patch)
2014-11-12 13:10 EST, Vincent Danen
no flags Details | Diff
patch for CVE-2014-7821 (master-kilo) (1.46 KB, patch)
2014-11-12 13:10 EST, Vincent Danen
no flags Details | Diff


External Trackers
Tracker ID Priority Status Summary Last Updated
OpenStack gerrit 135616 None None None Never
Red Hat Product Errata RHSA-2014:1938 normal SHIPPED_LIVE Moderate: openstack-neutron security and bug fix update 2014-12-02 16:48:36 EST
Red Hat Product Errata RHSA-2014:1942 normal SHIPPED_LIVE Moderate: openstack-neutron security and bug fix update 2014-12-02 16:58:59 EST
Red Hat Product Errata RHSA-2015:0044 normal SHIPPED_LIVE Moderate: openstack-neutron security update 2015-01-13 17:57:13 EST

  None (edit)
Description Vincent Danen 2014-11-12 13:06:17 EST
Reporter: Henry Yamauchi, Charles Neill and Michael Xin (Rackspace)
Products: Neutron
Versions: up to 2014.1.3 and 2014.2

Description:
Henry Yamauchi, Charles Neill and Michael Xin from Rackspace reported a
vulnerability in Neutron. By configuring a maliciously crafted
dns_nameservers an authenticated user may crash Neutron service
resulting in a denial of service attack. All Neutron setups are
affected.


Acknowledgements:

Red Hat would like to thank the OpenStack project for reporting this issue. Upstream acknowledges Henry Yamauchi, Charles Neill and Michael Xin (Rackspace) as the original reporters.
Comment 1 Vincent Danen 2014-11-12 13:09:48 EST
Created attachment 956842 [details]
patch for CVE-2014-7821 (stable-juno)
Comment 2 Vincent Danen 2014-11-12 13:10:11 EST
Created attachment 956843 [details]
patch for CVE-2014-7821 (stable-icehouse)
Comment 3 Vincent Danen 2014-11-12 13:10:43 EST
Created attachment 956844 [details]
patch for CVE-2014-7821 (master-kilo)
Comment 5 Murray McAllister 2014-11-19 18:38:19 EST
This issue is public now:

http://seclists.org/oss-sec/2014/q4/690
Comment 6 Murray McAllister 2014-11-19 18:41:20 EST
Created openstack-neutron tracking bugs for this issue:

Affects: openstack-rdo [bug 1165886]
Affects: fedora-all [bug 1165887]
Comment 8 Martin Prpič 2014-11-25 04:04:34 EST
IssueDescription:

A denial of service flaw was found in the way neutron handled the 'dns_nameservers' parameter. By providing specially crafted 'dns_nameservers' values, an authenticated user could use this flaw to crash the neutron service.
Comment 9 Ihar Hrachyshka 2014-11-25 13:10:17 EST
I suspect we also need a bug for Havana (RHOS4).
Comment 11 Ihar Hrachyshka 2014-11-28 08:34:29 EST
This fix introduced a regression: http://lists.openstack.org/pipermail/openstack-dev/2014-November/051757.html
Comment 12 errata-xmlrpc 2014-12-02 11:48:57 EST
This issue has been addressed in the following products:

  OpenStack 5 for RHEL 6

Via RHSA-2014:1938 https://rhn.redhat.com/errata/RHSA-2014-1938.html
Comment 13 errata-xmlrpc 2014-12-02 12:00:32 EST
This issue has been addressed in the following products:

  OpenStack 5 for RHEL 7

Via RHSA-2014:1942 https://rhn.redhat.com/errata/RHSA-2014-1942.html
Comment 14 errata-xmlrpc 2015-01-13 12:57:34 EST
This issue has been addressed in the following products:

  OpenStack 4 for RHEL 6

Via RHSA-2015:0044 https://rhn.redhat.com/errata/RHSA-2015-0044.html

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