CVE-2019-3889 Cross-site scripting in atomic-openshift
Reflected XSS in OpenShift authorization flow allows attackers to steal authorization data via malicious links.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-3889?
CVE-2019-3889 is a medium-severity cross-site scripting vulnerability in Redhat Openshift Container Platform, published on 11 Jul 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A reflected XSS vulnerability exists in authorization flow of OpenShift Container Platform versions: openshift-online-3, openshift-enterprise-3.4 through 3.7 and openshift-enterprise-3.9 through 3.11. An attacker could use this flaw to steal authorization data by getting them to click on a malicious link.
Weakness: CWE-79
Which versions are affected by CVE-2019-3889?
It affects 1 product.
Linux distribution packages (13)
atomic-openshift Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-clients Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-clients-redistributable Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-docker-excluder Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-excluder Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-hyperkube Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-hypershift Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-master Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-node Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-pod Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-sdn-ovs Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-template-service-broker Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
atomic-openshift-tests Red Hat:openshift:3.11::el7 | All versions | 0:3.11.188-1.git.0.db0eaa8.el7 |
Products include Redhat Openshift Container Platform.
How do I fix CVE-2019-3889?
Apply the vendor's patch.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2019-3889 being exploited?
There is no known exploitation of CVE-2019-3889 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-mgc5-697q-9jc6, RHSA-2020:0795.