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OLCNE/OCSK: Disable Weak TLS Ciphers in Etcd (Doc ID 2721567.1)

Last updated on MAY 27, 2021

Applies to:

Linux OS - Version Oracle Linux 7.6 with Unbreakable Enterprise Kernel [4.14.35] and later
Linux x86-64

Symptoms

Kubernetes Etcd allows using weak TLS ciphers that may cause some vulnerability issues. Ex: CVE-2016-2183

The following command may be used to check if weak ciphers are active (ECDHE-RSA-DES-CBC3-SHA in this case) :

 

Cause

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In this Document
Symptoms
Cause
Solution


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