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Last updated: 8/22/2014 3:57:45 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-1838

Original release date: 03/22/2013
Last revised: 06/04/2013
Source: US-CERT/NIST

Overview

OpenStack Compute (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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.0 (MEDIUM) (AV:N/AC:L/Au:S/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows disruption of service
Per http://www.ubuntu.com/usn/usn-1771-1/ "A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.10 Ubuntu 12.04 LTS Ubuntu 11.10"

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: https://review.openstack.org/#/c/24453/
External Source: CONFIRM
Name: https://bugs.launchpad.net/nova/+bug/1125468
External Source: BID
Name: 58492
External Source: XF
Name: nova-fixedips-dos(82877)
External Source: SECUNIA
Name: 52728
Type: Advisory
External Source: OSVDB
Name: 91303
External Source: CONFIRM
Name: https://review.openstack.org/#/c/24451/
External Source: MLIST
Name: [openstack] 20130314 [OSSA 2013-008] Nova DoS by allocating all Fixed IPs (CVE-2013-1838)
External Source: REDHAT
Name: RHSA-2013:0709
External Source: SECUNIA
Name: 52580
Type: Advisory
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=919648
External Source: CONFIRM
Name: https://review.openstack.org/#/c/24452/
External Source: UBUNTU
Name: USN-1771-1
External Source: MLIST
Name: [oss-security] 20130314 [OSSA 2013-008] Nova DoS by allocating all Fixed IPs (CVE-2013-1838)

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)