svn commit: r253692 - head/contrib/bind9/lib/dns/rdata/generic releng/8.4 releng/8.4/contrib/bind9/lib/dns/rdata/generic releng/8.4/sys/conf

[Xin LI]

Author: delphij
Date: Fri Jul 26 22:40:17 2013
New Revision: 253692
URL: http://svnweb.freebsd.org/changeset/base/253692

Log:
  Fix Denial of Service vulnerability in named(8). [13:07]
  
  Security:	CVE-2013-4854
  Security:	FreeBSD-SA-13:07.bind
  Approved by:	so

Modified:
  head/contrib/bind9/lib/dns/rdata/generic/keydata_65533.c

Changes in other areas also in this revision:
Modified:
  releng/8.4/UPDATING
  releng/8.4/contrib/bind9/lib/dns/rdata/generic/keydata_65533.c
  releng/8.4/sys/conf/newvers.sh

Modified: head/contrib/bind9/lib/dns/rdata/generic/keydata_65533.c
==============================================================================
--- head/contrib/bind9/lib/dns/rdata/generic/keydata_65533.c	Fri Jul 26 22:04:11 2013	(r253691)
+++ head/contrib/bind9/lib/dns/rdata/generic/keydata_65533.c	Fri Jul 26 22:40:17 2013	(r253692)
@@ -176,7 +176,7 @@ fromwire_keydata(ARGS_FROMWIRE) {
 	UNUSED(options);
 
 	isc_buffer_activeregion(source, &sr);
-	if (sr.length < 4)
+	if (sr.length < 16)
 		return (ISC_R_UNEXPECTEDEND);
 
 	isc_buffer_forward(source, sr.length);