components/libevent/patches/CVE-2016-10195.patch
branchs11u3-sru
changeset 7653 02748c64c0e3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/libevent/patches/CVE-2016-10195.patch	Tue Feb 07 16:50:47 2017 -0800
@@ -0,0 +1,29 @@
+Fix for CVE-2016-10195
+
+More details at:
+
+  https://github.com/libevent/libevent/issues/317
+
+Based on commit at:
+
+  https://github.com/libevent/libevent/commit/96f64a022014a208105ead6c8a7066018449d86d
+
+--- libevent-1.4.14/evdns.c.orig	2017-02-03 06:49:17.767210211 +0000
++++ libevent-1.4.14/evdns.c	2017-02-03 06:50:41.005061826 +0000
+@@ -772,7 +772,6 @@
+ 
+ 	for(;;) {
+ 		u8 label_len;
+-		if (j >= length) return -1;
+ 		GET8(label_len);
+ 		if (!label_len) break;
+ 		if (label_len & 0xc0) {
+@@ -792,7 +791,7 @@
+ 			if (cp + 1 >= end) return -1;
+ 			*cp++ = '.';
+ 		}
+-		if (cp + label_len >= end) return -1;
++		if (j + label_len > length) return -1;
+ 		memcpy(cp, packet + j, label_len);
+ 		cp += label_len;
+ 		j += label_len;