Monday, 18 February 2019

Following my previous post: -

Security Bulletin: IBM Cloud Kubernetes Service is affected by a privilege escalation vulnerability in runc 

I also needed to update Docker on the Mac: -

to mitigate the effect of: -


runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary (and consequently obtain host root access) by leveraging the ability to execute a command as root within one of these types of containers: (1) a new container with an attacker-controlled image, or (2) an existing container, to which the attacker previously had write access, that can be attached with docker exec. This occurs because of file-descriptor mishandling, related to /proc/self/exe. 

It's a fairly large update: -

but it's definitely worth doing.

Make it so ....

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