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Fencer Intel
medium 6.5

CVE-2013-1838 json

OpenStack Compute (Nova) Denial of service via a large number of calls to the addFixedIp function

published 13y ago modified 4mo ago also GHSA-63fq-8fp9-vhwq , PYSEC-2013-44 , EUVD-2013-0023

cvss
6.5
version 3.1, GitHub
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi nova 12.0.0a0
  • nova Debian 14, Debian 13, Debian 12 2012.1.1-15

debian advisories DEBIAN-CVE-2013-1838

  • openstack-nova openstack 2 2012.2.3-7.el6ost
  • python-nova openstack 2 2012.2.3-7.el6ost
  • openstack-nova-api openstack 2 2012.2.3-7.el6ost
  • openstack-nova-cert openstack 2 2012.2.3-7.el6ost
  • openstack-nova-common openstack 2 2012.2.3-7.el6ost
  • openstack-nova-volume openstack 2 2012.2.3-7.el6ost
  • openstack-nova-compute openstack 2 2012.2.3-7.el6ost
  • openstack-nova-console openstack 2 2012.2.3-7.el6ost

red hat advisories RHSA-2013:0709

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-1838 updated cvss 4.3

Nova: DoS by allocating all Fixed IPs

  • Red Hat OpenStack Folsom python-nova 2012.2.3-7.el6ost, openstack-nova 2012.2.3-7.el6ost, openstack-nova-api 2012.2.3-7.el6ost, openstack-nova-cert 2012.2.3-7.el6ost, openstack-nova-common 2012.2.3-7.el6ost, openstack-nova-volume 2012.2.3-7.el6ost, +5 more
    fixed: vendor fix RHSA-2013:0709

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.74% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
pypi nova
<12.0.0a0
12.0.0a0

Classification

Weakness
  • CWE-399 Resource Management Errors
  • CWE-770 Allocation of Resources Without Limits or Throttling

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.