CVE-2020-8159 rubygem-actionpack-page_caching: allows an attacker to write arbitrary files to a web server, which could result in remote code execution
A vulnerability was found in the actionpack_page-caching gem that allows an attacker
to write arbitrary files to a web server, potentially resulting in remote code execution
if the attacker can write unescaped ERB to a view.
Upstream Advisory:
https://groups.google.com/forum/#!topic/rubyonrails-security/CFRVkEytdP8