CVE-2018-16849 openstack-mistral Discloses the presence of arbitrary files within the filesystem
Low 3.1
Published
Updated
Check this codebase for CVE-2018-16849 and fix it if it is affected.
What it is: CVE-2018-16849 is a low-severity vulnerability in [UNKNOWN] openstack-mistral, published on 2 Nov 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-16849 in the wild and no public exploit code.
Affected packages and fixed versions:
- mistral (PyPI): affected all versions; fixed in 7.0.1
- mistral (PyPI): affected all versions; fixed in 7.0.1
- mistral (PyPI): affected all versions; fixed in 7.0.1
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2018-16849/ (Markdown: https://insights.sbomify.com/CVE-2018-16849/index.md)
Attackers can determine the existence of arbitrary files on the executor filesystem by manipulating SSH private key filenames in OpenStack Mistral.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-16849?
CVE-2018-16849 is a low-severity vulnerability in [UNKNOWN] openstack-mistral, published on 2 Nov 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw was found in openstack-mistral. By manipulating the SSH private key filename, the std.ssh action can be used to disclose the presence of arbitrary files within the filesystem of the executor running the action. Since std.ssh private_key_filename can take an absolute path, it can be used to assess whether or not a file exists on the executor's filesystem.
Weakness: CWE-200
Which versions are affected by CVE-2018-16849?
3 open source packages ship an affected version, including mistral. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mistral PyPI | All versions | 7.0.1 |
mistral PyPI | All versions | 7.0.1 |
mistral PyPI | All versions | 7.0.1 |
Linux distribution packages (35)
instack-undercloud Red Hat:openstack:13::el7 | All versions | 0:8.4.6-6.el7ost |
openstack-mistral Red Hat:openstack:13::el7 | All versions | 0:6.0.6-2.el7ost |
openstack-mistral-all Red Hat:openstack:13::el7 | All versions | 0:6.0.6-2.el7ost |
openstack-mistral-api Red Hat:openstack:13::el7 | All versions | 0:6.0.6-2.el7ost |
openstack-mistral-common Red Hat:openstack:13::el7 | All versions | 0:6.0.6-2.el7ost |
openstack-mistral-engine Red Hat:openstack:13::el7 | All versions | 0:6.0.6-2.el7ost |
openstack-mistral-event-engine Red Hat:openstack:13::el7 | All versions | 0:6.0.6-2.el7ost |
openstack-mistral-executor Red Hat:openstack:13::el7 | All versions | 0:6.0.6-2.el7ost |
openstack-tripleo-common Red Hat:openstack:13::el7 | All versions | 0:8.6.6-16.el7ost |
openstack-tripleo-common-container-base Red Hat:openstack:13::el7 | All versions | 0:8.6.6-16.el7ost |
openstack-tripleo-common-containers Red Hat:openstack:13::el7 | All versions | 0:8.6.6-16.el7ost |
openstack-tripleo-common-devtools Red Hat:openstack:13::el7 | All versions | 0:8.6.6-16.el7ost |
openstack-tripleo-heat-templates Red Hat:openstack:13::el7 | All versions | 0:8.2.0-6.1.el7ost |
openstack-tripleo-image-elements Red Hat:openstack:13::el7 | All versions | 0:8.0.1-3.el7ost |
openstack-tripleo-puppet-elements Red Hat:openstack:13::el7 | All versions | 0:8.0.1-2.el7ost |
openstack-tripleo-ui Red Hat:openstack:13::el7 | All versions | 0:8.3.2-3.el7ost |
openstack-tripleo-validations Red Hat:openstack:13::el7 | All versions | 0:8.4.4-2.el7ost |
os-net-config Red Hat:openstack:13::el7 | All versions | 0:8.4.3-6.el7ost |
os-refresh-config Red Hat:openstack:13::el7 | All versions | 0:8.3.1-0.20180918214345.4703b54.el7ost |
puppet-cinder Red Hat:openstack:13::el7 | All versions | 0:12.4.1-3.el7ost |
puppet-keystone Red Hat:openstack:13::el7 | All versions | 0:12.4.0-4.el7ost |
puppet-manila Red Hat:openstack:13::el7 | All versions | 0:12.5.0-3.el7ost |
puppet-neutron Red Hat:openstack:13::el7 | All versions | 0:12.4.1-4.ed05e01git.el7ost |
puppet-nova Red Hat:openstack:13::el7 | All versions | 0:12.4.0-16.el7ost |
puppet-octavia Red Hat:openstack:13::el7 | All versions | 0:12.4.0-8.el7ost |
puppet-opendaylight Red Hat:openstack:13::el7 | All versions | 0:8.2.2-5.9126c8dgit.el7ost |
puppet-ovn Red Hat:openstack:13::el7 | All versions | 0:12.4.0-2.el7ost |
puppet-pacemaker Red Hat:openstack:13::el7 | All versions | 0:0.7.2-0.20180423212257.el7ost |
puppet-swift Red Hat:openstack:13::el7 | All versions | 0:12.4.0-4.el7ost |
puppet-tripleo Red Hat:openstack:13::el7 | All versions | 0:8.3.6-15.el7ost |
python-mistral Red Hat:openstack:13::el7 | All versions | 0:6.0.6-2.el7ost |
python-mistral-tests Red Hat:openstack:13::el7 | All versions | 0:6.0.6-2.el7ost |
python-os-brick Red Hat:openstack:13::el7 | All versions | 0:2.3.4-2.el7ost |
python-tripleoclient Red Hat:openstack:13::el7 | All versions | 0:9.2.6-8.el7ost |
python2-os-brick Red Hat:openstack:13::el7 | All versions | 0:2.3.4-2.el7ost |
Products include Redhat Openstack-Mistral.
How do I fix CVE-2018-16849?
Upgrade mistral to 7.0.1 or later.
Is CVE-2018-16849 being exploited?
There is no known exploitation of CVE-2018-16849 in the wild and no public exploit code.
Other vulnerabilities in [UNKNOWN] openstack-mistral
Sources
Also known as DEBIAN-CVE-2018-16849, GHSA-fqw7-c6vr-q29m, PYSEC-2018-92, RHBA-2019:0448, UBUNTU-CVE-2018-16849.