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Bug 1232782 - (CVE-2015-3241) CVE-2015-3241 openstack-nova: Nova instance migration process does not stop when instance is deleted
CVE-2015-3241 openstack-nova: Nova instance migration process does not stop w...
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=20150615,repor...
: Security
Depends On: 1241367 1241368 1241369 1241370 1242027 1257393 1257789 1257790
Blocks: 1232783
  Show dependency tree / graph
 
Reported: 2015-06-17 09:12 EDT by Vasyl Kaigorodov
Modified: 2018-09-23 23:29 EDT (History)
33 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A denial of service flaw was found in the OpenStack Compute (nova) instance migration process. Because the migration process does not terminate when an instance is deleted, an authenticated user could bypass user quota and deplete all available disk space by repeatedly re-sizing and deleting an instance.
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Clone Of:
Environment:
Last Closed: 2015-10-15 17:33:45 EDT
Type: ---
Regression: ---
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Documentation: ---
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
Launchpad 1387543 None None None Never
Red Hat Product Errata RHSA-2015:1723 normal SHIPPED_LIVE Moderate: openstack-nova security update 2015-09-03 17:55:58 EDT
Red Hat Product Errata RHSA-2015:1898 normal SHIPPED_LIVE Moderate: openstack-nova security update 2015-10-15 12:28:37 EDT

  None (edit)
Description Vasyl Kaigorodov 2015-06-17 09:12:05 EDT 
Title: Nova instance migration process does not stop when instance is
deleted
Reporter: George Shuklin (Webzilla LTD)
Products: Nova
Affects: versions through 2014.1.4, and 2014.2 versions through
2014.2.3, and version 2015.1.0

Description:
George Shuklin from Webzilla LTD reported a vulnerability in Nova
migration process. By resizing and deleting an instance repeatedly an
authenticated user may overcome his quota and overload Nova computes
node resulting in a denial of service attack. All Nova setups are affected.

Upstream bug: https://launchpad.net/bugs/1387543
Comment 2 Garth Mollett 2015-07-09 02:38:22 EDT 
Created openstack-nova tracking bugs for this issue:

Affects: fedora-all [bug 1241367]
Affects: openstack-rdo [bug 1241370]
Comment 5 Garth Mollett 2015-08-26 01:31:55 EDT 
Upstream advisory:

https://security.openstack.org/ossa/OSSA-2015-015.html
Comment 6 Garth Mollett 2015-08-26 21:02:07 EDT 
Acknowledgements:

Red Hat would like to thank the OpenStack project for reporting this issue. Upstream acknowledges George Shuklin of Webzilla LTD as the original reporter.
Comment 10 errata-xmlrpc 2015-09-03 13:56:08 EDT 
This issue has been addressed in the following products:

  OpenStack 7 For RHEL 7

Via RHSA-2015:1723 https://access.redhat.com/errata/RHSA-2015:1723
Comment 12 errata-xmlrpc 2015-10-15 08:30:50 EDT 
This issue has been addressed in the following products:

  OpenStack 5 for RHEL 6
  OpenStack 5 for RHEL 7
  OpenStack 6 for RHEL 7

Via RHSA-2015:1898 https://rhn.redhat.com/errata/RHSA-2015-1898.html
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