CVE-2018-16848
First published: Fri Nov 02 2018(Updated: )
A Denial of Service (DoS) condition is possible in OpenStack Mistral in versions up to and including 7.0.3. Submitting a specially crafted workflow definition YAML file containing nested anchors can lead to resource exhaustion culminating in a denial of service.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redhat Openstack-mistral | <=7.0.3 | |
| pip/mistral | <10.0.0 | 10.0.0 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2018-16848
- https://bugs.launchpad.net/mistral/+bug/1785657
- https://bugzilla.redhat.com/show_bug.cgi?id=1645332
- https://github.com/advisories/GHSA-443j-6p7g-6v4w (Advisory)
- https://github.com/openstack/mistral/commit/eac23d9e774f658f9d4743c99aa2743eb104c3f9
- https://github.com/pypa/advisory-database/tree/main/vulns/mistral/PYSEC-2020-240.yaml
Frequently Asked Questions
What is the severity of CVE-2018-16848?
The severity of CVE-2018-16848 is medium, with a severity value of 6.5.
How can I fix the vulnerability CVE-2018-16848?
To fix the vulnerability CVE-2018-16848, you should update OpenStack Mistral to version 7.0.4 or higher.
Which versions of OpenStack Mistral are affected by CVE-2018-16848?
Versions up to and including 7.0.3 of OpenStack Mistral are affected by CVE-2018-16848.
What is the impact of CVE-2018-16848?
Submitting a specially crafted workflow definition YAML file containing nested anchors can lead to resource exhaustion culminating in a denial of service.
Where can I find more information about CVE-2018-16848?
You can find more information about CVE-2018-16848 in the following references: [1] [2] [3].
- collector/nvd-index
- agent/author
- agent/type
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/weakness
- agent/event
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2018-16848
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-443j-6p7g-6v4w
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/references
- collector/nvd-cve
- source/NVD
- collector/github-advisory
- agent/softwarecombine
- agent/tags
- agent/trending
- vendor/redhat
- canonical/redhat openstack-mistral
- version/redhat openstack-mistral/7.0.3
- package-manager/pip