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CVE-2018-1085

9.0 · CRITICAL

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.

Published Jun 15, 2018CWE-592EPSS 2.28%

Overview

CVE-2018-1085 is a critical-severity vulnerability. It was published on June 15, 2018 and has a CVSS 3.0 base score of 9.0 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.0, rated CRITICAL. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refaccess.redhat.com/errata/RHSA-2018:2013Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1085Refaccess.redhat.com/errata/RHSA-2018:2013Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1085

How CyberStrike helps

Frequently asked questions

What is CVE-2018-1085?

CVE-2018-1085 is a critical-severity vulnerability. It was published on June 15, 2018 and has a CVSS 3.0 base score of 9.0 (CRITICAL).

How severe is CVE-2018-1085?

This vulnerability has a CVSS 3.0 base score of 9.0, rated CRITICAL. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-1085?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-1085?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-1085 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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