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| author | Gavin Andresen <gavinandresen@gmail.com> | 2012-08-26 17:08:18 -0400 |
|---|---|---|
| committer | Gavin Andresen <gavinandresen@gmail.com> | 2012-08-26 17:08:18 -0400 |
| commit | d5a52d9b3edaae6c273b732456d98e6b28ed7b31 (patch) | |
| tree | 9c41c7b28fabdd7e831128d37071d53bd3b4e4c5 /doc | |
| parent | 772351b0d5b298a93bb90b403b4ec151ca5f9770 (diff) | |
| download | bitcoin-d5a52d9b3edaae6c273b732456d98e6b28ed7b31.tar.xz | |
Alert system DoS prevention
This fixes two alert system vulnerabilities found by
Sergio Lerner; you could send peers unlimited numbers
of invalid alert message to try to either fill up their
debug.log with messages and/or keep their CPU busy
checking signatures.
Fixed by disconnecting/banning peers if they send 10 or more
bad (invalid/expired/cancelled) alerts.
Diffstat (limited to 'doc')
0 files changed, 0 insertions, 0 deletions