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Diffstat (limited to 'changes/bug6252_again')
| -rw-r--r-- | changes/bug6252_again | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/changes/bug6252_again b/changes/bug6252_again new file mode 100644 index 000000000..f7fd00cb3 --- /dev/null +++ b/changes/bug6252_again @@ -0,0 +1,11 @@ + o Security fixes: + - Tear down the circuit if we get an unexpected SENDME cell. Clients + could use this trick to make their circuits receive cells faster + than our flow control would have allowed, or to gum up the network, + or possibly to do targeted memory denial-of-service attacks on + entry nodes. Fixes bug 6252. Bugfix on the 54th commit on Tor -- + from July 2002, before the release of Tor 0.0.0. We had committed + this patch previously, but we had to revert it because of bug 6271. + Now that 6271 is fixed, this appears to work. + + |