CVE-2020-1690 Privilege escalation in openstack-selinux
A non-root user in Red Hat OpenStack containers can escalate privileges via dbus to start or stop services, potentially causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-1690?
CVE-2020-1690 is a medium-severity vulnerability in openstack-selinux, published on 7 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An improper authorization flaw was discovered in openstack-selinux's applied policy where it does not prevent a non-root user in a container from privilege escalation. A non-root attacker in one or more Red Hat OpenStack (RHOSP) containers could send messages to the dbus. With access to the dbus, the attacker could start or stop services, possibly causing a denial of service. Versions before openstack-selinux 0.8.24 are affected.
Weakness: CWE-285
Which versions are affected by CVE-2020-1690?
It affects 2 products.
Linux distribution packages (1)
openstack-selinux Red Hat:openstack:16.1::el8 | All versions | 0:0.8.24-1.20200914163011.26243bf.el8ost |
Products include Redhat Openstack-Selinux, Redhat Openstack Platform.
How do I fix CVE-2020-1690?
Upgrade to a fixed version.
Is CVE-2020-1690 being exploited?
There is no known exploitation of CVE-2020-1690 in the wild and no public exploit code.
Sources
Also known as GHSA-2364-qg82-xg35, RHSA-2020:4381.