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authorNick Mathewson <nickm@torproject.org>2011-11-25 17:00:47 -0500
committerNick Mathewson <nickm@torproject.org>2011-11-25 17:00:47 -0500
commite5f2f10844dc2445f8cf2f0dc8ec92bc4ce65d63 (patch)
treefae7b809f8c8470921c1b38be572e231b0af7709 /changes
parentb1bd30c24c4d9ee1a760c0fb28e18bc597bb0df5 (diff)
parent406ae1ba5ad529a4d0e710229dab6ed645d42b50 (diff)
downloadtor-e5f2f10844dc2445f8cf2f0dc8ec92bc4ce65d63.tar.gz
tor-e5f2f10844dc2445f8cf2f0dc8ec92bc4ce65d63.zip
Merge remote-tracking branch 'asn/bug4312'
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+ o Security fixes:
+
+ - Block excess renegotiations even if they are RFC5746 compliant.
+ This mitigates potential SSL Denial of Service attacks that use
+ SSL renegotiation as a way of forcing the server to perform
+ unneeded computationally expensive SSL handshakes. Implements
+ #4312.
+
+ - Fix a bug where tor would not notice excess renegotiation
+ attempts before it received the first data SSL record. Fixes
+ part of #4312.