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pkgsrc-ng/net/avahi/patches/patch-ai
2013-09-26 17:14:40 +02:00

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$NetBSD: patch-ai,v 1.3 2013/04/21 00:58:47 rodent Exp $
Check lower bounds on port.
--- avahi-core/server.c.orig 2010-06-29 18:51:53.000000000 +0000
+++ avahi-core/server.c
@@ -903,6 +903,11 @@ static void dispatch_packet(AvahiServer
return;
}
+ if (port <= 0) {
+ avahi_log_warn("Received packet from invalid source port.");
+ return;
+ }
+
if (avahi_address_is_ipv4_in_ipv6(src_address))
/* This is an IPv4 address encapsulated in IPv6, so let's ignore it. */
return;