Ios sdk 8 Symbol _NSURLAuthenticationMethodServerTrust not found #2109
I have had this problem also and it seems to be a known bug in the CFNetwork in iOS 8 SDK (look here: https://devforums.apple.com/message/971238#971238).
The work around is as follows:
That solved the issues for me.
Thanks @mcfedr, adding the foundation framework worked for me!
For anyone interested in the specifics, it was crashing on my 7.0.4 phone (though not on the 8.0 simulator) with: