ossa/ossa/OSSA-2013-023.yaml

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YAML

date: 2013-08-08
id: OSSA-2013-023
title: 'Denial of Service using XML entities in Nova/Cinder extensions'
description: 'Grant Murphy from Red Hat reported that vulnerabilities in XML request
parsers were not fully patched in OSSA 2013-004. By leveraging XML entity expansion
in specific extensions, an unauthenticated attacker may still consume excessive
resources on the Nova (CVE-2013-4179) or Cinder (CVE-2013-4202) API servers, resulting
in a denial of service and potentially a crash. Only Nova setups making use of the
security group extension in Grizzly are affected. Only Cinder setups making use
of the backups or volume transfer API extension in Grizzly are affected.'
reference: http://lists.openstack.org/pipermail/openstack-announce/2013-August/000133.html
affected-products:
- product: nova
version: Grizzly and later
- product: cinder
version: Grizzly and later
vulnerabilities:
- cve-id: CVE-2013-4179
impact-assessment:
source: 'Red Hat Product Security'
rating: moderate
assessment:
type: CVSS2
score: 5.5
detail: AV:N/AC:L/Au:S/C:N/I:N/A:P
classification:
source: 'Red Hat Product Security'
type: CWE
detail: TODO
- cve-id: CVE-2013-4202
impact-assessment:
source: 'Red Hat Product Security'
rating: moderate
assessment:
type: CVSS2
score: 5.0
detail: AV:N/AC:L/Au:N/C:N/I:N/A:P
classification:
source: 'Red Hat Product Security'
type: CWE
detail: TODO
reporters:
- name: 'Grant Murphy'
affiliation: 'Red Hat'
reported:
- CVE-2013-4179
- CVE-2013-4202
issues:
links:
- https://launchpad.net/bugs/1190229
type: launchpad
reviews:
havana:
- https://review.openstack.org/#/c/40879
- https://review.openstack.org/#/c/40881
grizzly:
- https://review.openstack.org/#/c/40880
- https://review.openstack.org/#/c/40883
type: gerrit