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Red Hat OpenShift: CVE-2018-1085: openshift-ansible: Incorrectly quoted values in etcd.conf causes disabling of SSL client certificate authentication

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Red Hat OpenShift: CVE-2018-1085: openshift-ansible: Incorrectly quoted values in etcd.conf causes disabling of SSL client certificate authentication

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
06/15/2018
Created
07/25/2018
Added
06/28/2018
Modified
08/15/2018

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.

Solution(s)

  • linuxrpm-upgrade-openshift-ansible

References

  • linuxrpm-upgrade-openshift-ansible

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