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Bug 1086211 - (CVE-2014-2828) CVE-2014-2828 openstack-keystone: denial of service via V3 API authentication chaining
CVE-2014-2828 openstack-keystone: denial of service via V3 API authentication...
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
Udi
impact=moderate,public=20140331,repor...
: Security
Depends On: 1086212 1086213 1086214 1150354
Blocks: 1086216 1150355
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Reported: 2014-04-10 07:30 EDT by Murray McAllister
Modified: 2016-04-26 20:02 EDT (History)
26 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A flaw was found in the keystone V3 API. An attacker could send a single request with the same authentication method multiple times, possibly leading to a denial of service due to generating excessive load with minimal requests. Only keystone setups with the V3 API enabled were affected by this issue.
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Clone Of:
Environment:
Last Closed: 2014-10-22 16:08:41 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-2014:1688 normal SHIPPED_LIVE Important: openstack-keystone security and bug fix update 2014-10-22 17:21:12 EDT

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Description Murray McAllister 2014-04-10 07:30:18 EDT 
The following was reported to the oss-security list:

Title: Keystone DoS through V3 API authentication chaining
Reporter: Abu Shohel Ahmed (Ericsson)
Products: Keystone
Versions: from 2013.1 to 2013.2.3

Description:
Abu Shohel Ahmed from Ericsson reported a vulnerability in Keystone V3
API authentication. By sending a single request with the same
authentication method multiple times, a remote attacker may generate
unwanted load on the Keystone host, potentially resulting in a Denial of
Service against a Keystone service. Only Keystone setups enabling V3 API
are affected.

References:
https://launchpad.net/bugs/1300274
http://seclists.org/oss-sec/2014/q2/65
https://review.openstack.org/#/c/86024/
https://git.openstack.org/cgit/openstack/keystone/commit/?id=e364ba5b12de8e4c11bd80bcca903f9615dcfc2e
Comment 2 Murray McAllister 2014-04-10 07:32:35 EDT 
Created openstack-keystone tracking bugs for this issue:

Affects: fedora-all [bug 1086212]
Affects: epel-6 [bug 1086213]
Comment 4 Murray McAllister 2014-04-11 01:24:33 EDT 
MITRE assigned CVE-2014-2828 to this issue:

http://seclists.org/oss-sec/2014/q2/88
Comment 5 Fedora Update System 2014-08-07 11:24:13 EDT 
openstack-keystone-2013.2.3-5.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 2014-10-20 08:10:33 EDT 
IssueDescription:

A flaw was found in the keystone V3 API. An attacker could send a single request with the same authentication method multiple times, possibly leading to a denial of service due to generating excessive load with minimal requests. Only keystone setups with the V3 API enabled were affected by this issue.
Comment 8 errata-xmlrpc 2014-10-22 13:22:26 EDT 
This issue has been addressed in the following products:

  OpenStack 4 for RHEL 6

Via RHSA-2014:1688 https://rhn.redhat.com/errata/RHSA-2014-1688.html
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