CVE-2015-1828
The Ruby http gem before 0.7.3 does not verify hostnames in SSL connections, which might allow remote attackers to obtain sensitive information via a man-in-the-middle-attack.
Date published : 2017-10-06
https://github.com/ruby/openssl/issues/8
https://groups.google.com/forum/#%21topic/httprb/jkb4oxwZjkU
