Hmm - we fixed a dodgy traceroute flaw for RH7.0. So RH7.0 is safe.
However it now turns out that this dodgy flaw is in fact exploitable.
To be honest, a rebuild of the RH7.0 SRPM is a quick and easy fix :-)
For original RH7.0 bug see bug #13466
*** This bug has been marked as a duplicate of 13466 ***