svn commit: r308198 - stable/11/crypto/openssh

[Xin LI]

Author: delphij
Date: Wed Nov  2 06:56:35 2016
New Revision: 308198
URL: https://svnweb.freebsd.org/changeset/base/308198

Log:
  MFC r308197: MFV r308196:
  
  Fix OpenSSH remote Denial of Service vulnerability.
  
  Security:	CVE-2016-8858

Modified:
  stable/11/crypto/openssh/kex.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/crypto/openssh/kex.c
==============================================================================
--- stable/11/crypto/openssh/kex.c	Wed Nov  2 06:49:25 2016	(r308197)
+++ stable/11/crypto/openssh/kex.c	Wed Nov  2 06:56:35 2016	(r308198)
@@ -468,6 +468,7 @@ kex_input_kexinit(int type, u_int32_t se
 	if (kex == NULL)
 		return SSH_ERR_INVALID_ARGUMENT;
 
+	ssh_dispatch_set(ssh, SSH2_MSG_KEXINIT, NULL);
 	ptr = sshpkt_ptr(ssh, &dlen);
 	if ((r = sshbuf_put(kex->peer, ptr, dlen)) != 0)
 		return r;