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Update buffer allocation to the correct size

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Maximum size of ICMP packet is 64k while buffer allocation was UDP_BUFFER_LENMAX, while read was up to 64k.
This will cause a crash on read in the subsequent read for packets with length greater than UDP_BUFFER_LENMAX via a buffer overflow.
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Marius Petrescu, YO2LOJ 2021-01-16 01:43:05 +02:00 committed by GitHub
parent cb989fd8de
commit a8153d8ae5
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1 changed files with 1 additions and 1 deletions
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src/crawsocket.cpp
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@ -92,7 +92,7 @@ int CRawSocket::Receive(CBuffer *Buffer, CIp *Ip, int timeout)
if ( m_Socket != -1 ) if ( m_Socket != -1 )
{ {
// allocate buffer // allocate buffer
Buffer->resize(UDP_BUFFER_LENMAX); Buffer->resize(RAW_BUFFER_LENMAX);
// control socket // control socket
FD_ZERO(&FdSet); FD_ZERO(&FdSet);