CVE-2018-1085
First published: Mon Mar 19 2018(Updated: )
openshift-ansible before versions 3.9.23, 3.7.46 deploys a misconfigured etcd file that causes the SSL client certificate authentication to be disabled. Quotations around the values of ETCD_CLIENT_CERT_AUTH and ETCD_PEER_CLIENT_CERT_AUTH in etcd.conf result in etcd being configured to allow remote users to connect without any authentication if they can access the etcd server bound to the network on the master nodes. An attacker could use this flaw to read and modify all the data about the Openshift cluster in the etcd datastore, potentially adding another compute node, or bringing down the entire cluster.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/openshift-ansible 3.9.23 | <1 | 1 |
| redhat/openshift-ansible 3.7.46 | <1 | 1 |
| Red Hat OpenShift Container Platform | <3.9.31 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-1085?
CVE-2018-1085 is rated as medium severity due to the risk of unauthorized access to etcd data.
How do I fix CVE-2018-1085?
To fix CVE-2018-1085, upgrade to openshift-ansible versions 3.9.23 or 3.7.46 or later.
What causes CVE-2018-1085?
CVE-2018-1085 is caused by a misconfigured etcd file that disables SSL client certificate authentication.
What versions are affected by CVE-2018-1085?
CVE-2018-1085 affects openshift-ansible versions prior to 3.9.23 and 3.7.46.
Is CVE-2018-1085 a critical vulnerability?
CVE-2018-1085 is not classified as critical but should be addressed promptly to mitigate risks.
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