"Never let school get in the way of learning."
-- Mark Twain
# redsand@blacksecurity.org
# Sendmail 8.13.5 and below Remote Signal Handling exploit
# usage: rbl4ck-sendmail.py 127.0.0.1 0 25
#
#
# this exploit was leaked to the PHC (Phrack High Council)
# so instead of only letting them have a copy, we figure
# everyone should have what they have.
#
# :-)
#
# several of the tested operating systems appear to crash at a static
# string in memory and we were unable to shift the location of that crash.
# However, Fedora gives us a nice sexy soft spot to land, one that allows us
# to control the flow of code execution
# this is only a proof of concept
#
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Sendmail 8.13.5 and below Remote Signal Handling Proof of Concept