X-Git-Url: https://git.deb.at/w?a=blobdiff_plain;f=inet.c;h=24993ab2fb73149045f361e3304e896d5fc7fca7;hb=refs%2Ftags%2Fdebian%2F0.5-4woody1;hp=dbfe7484f0d8b9bb2a65f956ce9afc7e9d979bb5;hpb=7772a97708eea70899b86e98d23473b436438148;p=pkg%2Fnetris.git

diff --git a/inet.c b/inet.c
index dbfe748..24993ab 100644
--- a/inet.c
+++ b/inet.c
@@ -151,6 +151,9 @@ static MyEventType NetGenFunc(EventGenRec *gen, MyEvent *event)
 	memcpy(data, netBuf, sizeof(data));
 	type = ntoh2(data[0]);
 	size = ntoh2(data[1]);
+       if (size >= sizeof(netBuf))
+               fatal("Received an invalid packet (too large), possibly an attempt\n"
+                         "  to exploit a vulnerability in versions before 0.52 !");
 	netBufGoal = size;
 	if (netBufSize < netBufGoal)
 		return E_none;