CVE-2020-1706 Privilege escalation in openshift/apb-tools-container
An attacker with container access can modify /etc/passwd permissions to add users and escalate privileges within the OpenShift APB tools container.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-1706?
CVE-2020-1706 is a high-severity vulnerability in Redhat Openshift Container Platform, published on 9 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
It has been found that in openshift-enterprise version 3.11 and openshift-enterprise versions 4.1 up to, including 4.3, multiple containers modify the permissions of /etc/passwd to make them modifiable by users other than root. An attacker with access to the running container can exploit this to modify /etc/passwd to add a user and escalate their privileges. This CVE is specific to the openshift/apb-tools-container.
Weakness: CWE-732
Which versions are affected by CVE-2020-1706?
It affects 1 product.
Products include Redhat Openshift Container Platform.
How do I fix CVE-2020-1706?
No fix has been published for CVE-2020-1706 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-1706 being exploited?
There is no known exploitation of CVE-2020-1706 in the wild and no public exploit code.
Other vulnerabilities in Redhat Openshift Container Platform
- CVE-2020-27836 Missing authorization in cluster-ingress-operator
- CVE-2018-1085 Misconfiguration in openshift-ansible
- CVE-2026-54099 Privilege escalation in Red Hat OpenShift Container Platform 4
- CVE-2026-1784 Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection
- CVE-2021-20182 Privilege escalation in openshift
Sources
Also known as GHSA-j28m-qhxw-4r5g.