Skip to content
Fencer Intel
medium 6.5

CVE-2013-0270 json

Keystone: openstack keystone: denial of service via large http request with long tenant name

published 13y ago modified 3mo ago also GHSA-4ppj-4p4v-jf4p , PYSEC-2026-650 , EUVD-2022-2419

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

A flaw was found in OpenStack Keystone. A remote attacker could exploit this vulnerability by sending a large HTTP request, specifically by providing a long tenant name when requesting a token. This could lead to a denial of service, consuming excessive CPU and memory resources on the affected system.

Patch / fix

  • pypi keystone 8.0.0a0
  • Red Hat OpenStack Folsom for RHEL 6 0:2012.2.3-7.el6ost
  • keystone Debian 14, Debian 13, Debian 12 2013.1.1-2

debian advisories DEBIAN-CVE-2013-0270

  • openstack-keystone openstack 2 2012.2.3-7.el6ost
  • python-keystone openstack 2 2012.2.3-7.el6ost

red hat advisories RHSA-2013:0708

Is CVE-2013-0270 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2013-0270 updated cvss 6.5

keystone: OpenStack Keystone: Denial of Service via large HTTP request with long tenant name

  • Red Hat OpenStack Platform 13 (Queens) redhat-user-workloads/openstack-tenant/openstack-13/openstack-keystone/openstack-keystone Red Hat OpenStack Platform 16.2 python3-keystone, openstack-keystone, redhat-user-workloads/openstack-tenant/openstack-13/openstack-keystone/openstack-keystone Red Hat OpenStack Platform 17.1 python3-keystone, openstack-keystone, redhat-user-workloads/openstack-tenant/openstack-13/openstack-keystone/openstack-keystone Red Hat OpenStack Platform 18.0 openstack-keystone, redhat-user-workloads/openstack-tenant/openstack-13/openstack-keystone/openstack-keystone
    affected: workaround, no fix available “Fix deferred”
  • Red Hat OpenStack Folsom python-keystone 2012.2.3-7.el6ost, openstack-keystone 2012.2.3-7.el6ost
    fixed: vendor fix RHSA-2013:0708

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

3.17% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/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
OSV 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 keystone
<8.0.0a0
8.0.0a0

Affected products

  • Red Hat OpenStack Folsom for RHEL 6
  • Red Hat Red Hat OpenStack Platform 13 (Queens)
  • Red Hat Red Hat OpenStack Platform 16.2
  • Red Hat Red Hat OpenStack Platform 17.1
  • Red Hat Red Hat OpenStack Platform 18.0

Classification

Weakness
  • CWE-1284 Improper Validation of Specified Quantity in Input
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.