[cabfpub] A BREACH beyond CRIME :-(

Rob Stradling rob.stradling at comodo.com
Wed May 29 14:07:58 UTC 2013


https://www.blackhat.com/us-13/briefings.html#Prado

"SSL, GONE IN 30 SECONDS - A BREACH BEYOND CRIME
In this hands-on talk, we will introduce new targeted techniques and 
research that allows an attacker to reliably retrieve encrypted secrets 
(session identifiers, CSRF tokens, OAuth tokens, email addresses, 
ViewState hidden fields, etc.) from an HTTPS channel. We will 
demonstrate this new browser vector is real and practical by executing a 
PoC against a major enterprise product in under 30 seconds. We will 
describe the algorithm behind the attack, how the usage of basic 
statistical analysis can be applied to extract data from dynamic pages, 
as well as practical mitigations you can implement today. We will also 
describe the posture of different SaaS vendors vis-à-vis this attack. 
Finally, to provide the community with ability to build on our research, 
determine levels of exposure, and deploy appropriate protection, we will 
release the BREACH tool."

-- 
Rob Stradling
Senior Research & Development Scientist
COMODO - Creating Trust Online




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