Patch for hostapd and wpa_supplicant to attempt to exploit heartbleed on EAP-PEAP/TLS/TTLS connections
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patch-wpasupplicant version 0.1 May 29, 2014


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## Cupid 0.1

## Author: Luis Grangeia 


Cupid is a pair of patches for hostapd-2.1 and wpa_supplicant-2.1 to exploit 
heartbleed on Wireless networks that use EAP Authentication methods based on 
TLS (specifically OpenSSL)

Please see presentation slides for a simple introduction to cupid:


Get wpa_supplicant-2.1 and/or hostapd-2.1, apply the respective patch and 
compile. I don't recommend doing a "make install" as you'll be replacing
your systems binaries with non-functional copies (functional only for exploiting


Both patches come with a "heartbleed.conf" file that can be used to tweak 
behaviour. It must be present and placed on the same directory you're running 
the binary. Refer to the file for details.

--> wpa_supplicant:

Use the included test_wpasupplicant.conf and change the ssid to the network 
you're wanting to test heartbleed for.

Fire up wireshark or tcpdump on the interface to check for TLS heartbeat 
requests/responses. I usually do:

# airmon-ng start wlan0

and then monitor the whole thing on the mon0 interface (use filter 'EAP || SSL'
for a better picture).

fire up wpa_supplicant:

./wpa_supplicant -i wlan0 -dd -c ~/testconfs/test_wpasupplicant.conf

Look at the output of wireshark to see if the network you're attacking is 

--> hostapd

Use the included test_hostapd.conf. You may have to set up certificates and an 
empty eap_user file. I've included these for reference as well.

Fire up wireshark as described above.

Note that you need a wireless adapter supporting host AP mode.

fire up hostapd:

./hostapd -d test_hostapd.conf

Then try to connect to the "bleedingheart" network with your mobile device or
laptop, and it will try to heartbleed it. You can put any login/password 

To see if the patch works just install a vulnerable OpenSSL version and try to
exploit your local copy of wpa_supplicant or a fresh install of hostapd.

Please let me know if you find vulnerable devices and give me their version and
if possible a packet dump of the actual attack.

	- Code is still very incomplete, just a PoC
	- Does not decrypt the heartbeat response if encrypted (not the case if
	- Should output the heartbeat responses to a file
	- Test more devices/networks!