Japanese security researchers have devised a method of cracking WPA wireless encryption in less than a minute.
The hack was developed by Toshihiro Ohigashi (Hiroshima University) and Masakatu Morii (Kobe University), building on the German-developed Beck-Tews attack which takes around 15 minutes.
The hack targets the Temporal Key Integrity Protocol (TKIP) version of WiFi Protected Access (WPA) wireless encryption. It cannot retrieve a WPA encryption key, but it does allow the perpetrator to read and spoof data packets.
Wireless networks using Advanced Encryption Standard (AES) based encryption are immune to the hack.
8 Comments
http://jwis2009.nsysu.edu.tw/locatio...20on%20WPA.pdf
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Originally Posted by deadite66
..hey still can't get your key or read you data.
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> I assume that this means you can recover the whole key and > > start decoding traffic in real time. |
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Fortunately not. This is definitely NOT a key recovery attack. It only allows an attacker to determine a single SHORT packet's pseudo-random XORing bit stream ... from which another packet can be synthesized. Yes, you could then use ARP spoofing to insert yourself "in the middle" ... by synthesizing a single packet, but you still could not really do anything from there (other than a denial of service) since you still don't have any other packets' bit- streams. It's an improvement on the previous TKIP attack, and it means that moving from TKIP to AES cipher is still a good idea ... but this isn't a huge "end of the world" event by any means. 
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http://forums.remote-exploit.org/150062-post43.html
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Originally Posted by deadite66
from grc newsserver
steve gibson replied also fron the remote-exploit forums http://forums.remote-exploit.org/150062-post43.html |
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