Vulnerability CVE-2013-4185
Published: 2013-10-29   Modified: 2013-10-30

Description:
Algorithmic complexity vulnerability in OpenStack Compute (Nova) before 2013.1.3 and Havana before havana-3 does not properly handle network source security group policy updates, which allows remote authenticated users to cause a denial of service (nova-network consumption) via a large number of server-creation operations, which triggers a large number of update requests.

Type:

CWE-310

 (Cryptographic Issues)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Openstack 
Openstack -> Compute 
Openstack -> Havana 

 References:
http://rhn.redhat.com/errata/RHSA-2013-1199.html
http://seclists.org/oss-sec/2013/q3/282
https://bugs.launchpad.net/nova/+bug/1184041
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