Vulnerability CVE-2013-1838
Published: 2013-03-22   Modified: 2013-03-23

Description:
OpenStack Nova Grizzly, Folsom (2012.2), and Essex (2012.1) does not properly implement a quota for fixed IPs, which allows remote authenticated users to cause a denial of service (resource exhaustion and failure to spawn new instances) via a large number of calls to the addFixedIp function.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Nova DoS by allocating all Fixed IPs
Thierry Carrez
15.03.2013

Type:

CWE-399

 (Resource Management Errors)

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
Openstack -> Essex 
Openstack -> Folsom 
Openstack -> Grizzly 

 References:
https://review.openstack.org/#/c/24453/
https://review.openstack.org/#/c/24452/
https://review.openstack.org/#/c/24451/
https://lists.launchpad.net/openstack/msg21892.html
https://bugzilla.redhat.com/show_bug.cgi?id=919648
https://bugs.launchpad.net/nova/+bug/1125468
http://xforce.iss.net/xforce/xfdb/82877
http://www.securityfocus.com/bid/58492
http://www.openwall.com/lists/oss-security/2013/03/14/18
http://ubuntu.com/usn/usn-1771-1
http://secunia.com/advisories/52728
http://secunia.com/advisories/52580
http://osvdb.org/91303
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