GHSA-443j-6p7g-6v4w

OpenStack Mistral DoS

Source: GitHub Advisory Database (reviewed) High CVE-2018-16848

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	mistral	< 10.0.0	10.0.0

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2018-16848 advisory
https://github.com/openstack/mistral/commit/eac23d9e774f658f9d4743c99aa2743eb104c3f9 web
https://bugs.launchpad.net/mistral/+bug/1785657 web
https://bugzilla.redhat.com/show_bug.cgi?id=1645332 web
https://github.com/openstack/mistral package
https://github.com/pypa/advisory-database/tree/main/vulns/mistral/PYSEC-2020-240.yaml web