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Code Issues Releases Activity

Fix for possible race condition resulting in duplicate message recycling

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Fix for DoS vulnerability with incoming acks
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lidgren
2014-08-10 18:46:26 +00:00
parent 54ff6f1c37
commit 092bd4d536
2 changed files with 5 additions and 3 deletions
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5
Lidgren.Network/NetConnection.cs
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@@ -234,8 +234,11 @@ namespace Lidgren.Network
{
//m_peer.LogVerbose("Received ack for " + acktp + "#" + seqNr);
NetSenderChannelBase chan = m_sendChannels[(int)incAck.Item1 - 1];
// If we haven't sent a message on this channel there is no reason to ack it
if (chan == null)
chan = CreateSenderChannel(incAck.Item1);
continue;
chan.ReceiveAcknowledge(now, incAck.Item2);
}
}