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| author | Gavin Andresen <gavinandresen@gmail.com> | 2012-08-26 17:08:18 -0400 |
|---|---|---|
| committer | Luke Dashjr <luke-jr+git@utopios.org> | 2012-08-27 18:57:15 +0000 |
| commit | 7b66ece1e594782bd1310edda8bcc27015976e6f (patch) | |
| tree | 11807b53091b8faaa119f581f0c70e9949f21d3a /contrib | |
| parent | f31f7770d983eb85d8804c49654fc1f97b55ef7d (diff) | |
| download | bitcoin-7b66ece1e594782bd1310edda8bcc27015976e6f.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 'contrib')
0 files changed, 0 insertions, 0 deletions