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Fix CVE-2017-8779:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8779
Patch copied from the bug reporter's 3rd-party repository:
https://github.com/guidovranken/rpcbomb/blob/master/rpcbind_patch.txt
diff --git a/src/rpcb_svc_com.c b/src/rpcb_svc_com.c
index 5862c26..e11f61b 100644
--- a/src/rpcb_svc_com.c
+++ b/src/rpcb_svc_com.c
@@ -48,6 +48,7 @@
#include <rpc/rpc.h>
#include <rpc/rpcb_prot.h>
#include <rpc/svc_dg.h>
+#include <rpc/rpc_com.h>
#include <netconfig.h>
#include <errno.h>
#include <syslog.h>
@@ -432,7 +433,7 @@ rpcbproc_taddr2uaddr_com(void *arg, struct svc_req *rqstp /*__unused*/,
static bool_t
xdr_encap_parms(XDR *xdrs, struct encap_parms *epp)
{
- return (xdr_bytes(xdrs, &(epp->args), (u_int *) &(epp->arglen), ~0));
+ return (xdr_bytes(xdrs, &(epp->args), (u_int *) &(epp->arglen), RPC_MAXDATASIZE));
}
/*
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