Oh, and don't use a block cipher because of attacks.
Oh, and don't use RC4 because of .. attacks.
Oh bugger.
Problem solved for all known attacks.
Unfortunately, that includes your users.
It's possible to implement RC4 "correctly" (as far as we know) by discarding the first several thousand bytes of the keystream, but TLS doesn't do this.
Oh, and don't use a block cipher because of attacks.
Oh, and don't use RC4 because of .. attacks.
Oh bugger.