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author | Gavin Andresen <gavinandresen@gmail.com> | 2012-08-26 17:08:18 -0400 |
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committer | Luke Dashjr <luke-jr+git@utopios.org> | 2012-08-27 18:56:54 +0000 |
commit | e1c2163fb7b3f37932be9093cadd6cce250844a5 (patch) | |
tree | 001977dca177027e5367c394132e65c2313885da /src/main.h | |
parent | 2eaeb17fe16594313004c56450fcc1a698d50bb7 (diff) | |
download | bitcoin-e1c2163fb7b3f37932be9093cadd6cce250844a5.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 'src/main.h')
-rw-r--r-- | src/main.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main.h b/src/main.h index 7a8e2d45cf..b7d47cfdfd 100644 --- a/src/main.h +++ b/src/main.h @@ -1577,7 +1577,7 @@ public: uint256 GetHash() const { - return SerializeHash(*this); + return Hash(this->vchMsg.begin(), this->vchMsg.end()); } bool IsInEffect() const |