CVE-2023-1636 Incomplete container isolation

Medium 6.0 Published Updated

Attackers can access Barbican data if a neighboring service is compromised in all-in-one OpenStack deployments due to shared container namespaces.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-1636?

CVE-2023-1636 is a medium-severity vulnerability in OpenStack RDO, published on 24 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.

Weakness: CWE-653

Which versions are affected by CVE-2023-1636?

3 open source packages ship an affected version, including barbican. It affects 2 products.

PackageAffectedFixed in
barbican PyPIAll versions to 16.0.0None
barbican PyPIAll versions to 16.0.0None
barbican PyPIAll versions to 16.0.0None

Products include Openstack Barbican, Redhat Openstack Platform.

How do I fix CVE-2023-1636?

No fix has been published for CVE-2023-1636 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-1636 being exploited?

There is no known exploitation of CVE-2023-1636 in the wild and no public exploit code.

Sources

Also known as GHSA-6rx9-c2rh-3qv4, PYSEC-2026-1214.

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