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Fencer Intel
medium 5.4

CVE-2015-5295 json

The template-validate command in OpenStack Orchestration API (Heat) before 2015.1.3 (kilo) and 5.0.x before 5.0.1 (liberty) allows remote a…

published 2016-01-20 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-5272

cvss
5.4
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

The template-validate command in OpenStack Orchestration API (Heat) before 2015.1.3 (kilo) and 5.0.x before 5.0.1 (liberty) allows remote authenticated users to cause a denial of service (memory consumption) or determine the existence of local files via the resource type in a template, as demonstrated by file:///dev/zero.

Patch / fix

  • openstack orchestration_api 5.0.1, 2015.1.3
  • heat Debian 14, Debian 13, Debian 12 1:6.0.0~rc3-1

debian advisories DEBIAN-CVE-2015-5295

  • openstack-heat openstack 5 2014.1.5-7.el6ost
  • openstack-heat-api openstack 5 2014.1.5-7.el6ost
  • openstack-heat-common openstack 5 2014.1.5-7.el6ost
  • openstack-heat-engine openstack 5 2014.1.5-7.el6ost
  • openstack-heat-api-cfn openstack 5 2014.1.5-7.el6ost
  • openstack-heat-api-cloudwatch openstack 5 2014.1.5-7.el6ost
  • openstack-heat openstack 5 2014.1.5-7.el7ost
  • openstack-heat-api openstack 5 2014.1.5-7.el7ost

red hat advisories RHSA-2016:0440RHSA-2016:0441RHSA-2016:0442RHSA-2016:0266

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-2015-5295 updated cvss 6.8

openstack-heat: Vulnerability in Heat template validation leading to DoS

  • Red Hat OpenStack Platform 8 (Liberty) openstack-heat, openstack-heat-api, openstack-heat-common, openstack-heat-engine, openstack-heat-api-cfn, openstack-heat-api-cloudwatch
    affected: no fix available
  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 openstack-heat 2014.1.5-7.el6ost, openstack-heat-api 2014.1.5-7.el6ost, openstack-heat-common 2014.1.5-7.el6ost, openstack-heat-engine 2014.1.5-7.el6ost, openstack-heat-api-cfn 2014.1.5-7.el6ost, openstack-heat-api-cloudwatch 2014.1.5-7.el6ost
    fixed: vendor fix RHSA-2016:0440
  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 openstack-heat 2014.1.5-7.el7ost, openstack-heat-api 2014.1.5-7.el7ost, openstack-heat-common 2014.1.5-7.el7ost, openstack-heat-engine 2014.1.5-7.el7ost, openstack-heat-api-cfn 2014.1.5-7.el7ost, openstack-heat-api-cloudwatch 2014.1.5-7.el7ost
    fixed: vendor fix RHSA-2016:0441
  • Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 openstack-heat 2014.2.3-11.el7ost, openstack-heat-api 2014.2.3-11.el7ost, openstack-heat-common 2014.2.3-11.el7ost, openstack-heat-engine 2014.2.3-11.el7ost, openstack-heat-api-cfn 2014.2.3-11.el7ost, openstack-heat-api-cloudwatch 2014.2.3-11.el7ost
    fixed: vendor fix RHSA-2016:0442
  • Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 openstack-heat 2015.1.2-9.el7ost, openstack-heat-api 2015.1.2-9.el7ost, openstack-heat-common 2015.1.2-9.el7ost, openstack-heat-engine 2015.1.2-9.el7ost, openstack-heat-api-cfn 2015.1.2-9.el7ost, openstack-heat-api-cloudwatch 2015.1.2-9.el7ost
    fixed: vendor fix RHSA-2016:0266

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

2.93% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
NVD 2.0 5.5 AV:N/AC:L/Au:S/C:P/I:N/A:P

Classification

Weakness
  • 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.