UBUNTU-CVE-2018-16848

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

Affected packages

Ubuntu:Pro:18.04:LTS / mistral

Package

Name: mistral
Purl: pkg:deb/ubuntu/mistral@6.0.0-0ubuntu1.1+esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

6.0.0-0ubuntu1.1+esm1

Affected versions

5.*

5.0.0-0ubuntu1

6.*

6.0.0~b1-0ubuntu1

6.0.0~b1-0ubuntu2

6.0.0~b2-0ubuntu1

6.0.0~rc1-0ubuntu1

6.0.0-0ubuntu1

6.0.0-0ubuntu1.1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "6.0.0-0ubuntu1.1+esm1",
            "binary_name": "mistral-api"
        },
        {
            "binary_version": "6.0.0-0ubuntu1.1+esm1",
            "binary_name": "mistral-common"
        },
        {
            "binary_version": "6.0.0-0ubuntu1.1+esm1",
            "binary_name": "mistral-engine"
        },
        {
            "binary_version": "6.0.0-0ubuntu1.1+esm1",
            "binary_name": "mistral-event-engine"
        },
        {
            "binary_version": "6.0.0-0ubuntu1.1+esm1",
            "binary_name": "mistral-executor"
        },
        {
            "binary_version": "6.0.0-0ubuntu1.1+esm1",
            "binary_name": "python-mistral"
        }
    ]
}