components/curl/patches/012-CVE-2013-1944.patch
branchs11-update
changeset 4103 0a3f0d2f2c86
parent 4102 02730b605ff4
child 4111 72fcefade79a
--- a/components/curl/patches/012-CVE-2013-1944.patch	Fri Apr 10 18:00:20 2015 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,49 +0,0 @@
-From 3604fde3d3c9b0d0e389e079aecf470d123ba180 Mon Sep 17 00:00:00 2001
-From: YAMADA Yasuharu <[email protected]>
-Date: Thu, 11 Apr 2013 00:17:15 +0200
-Subject: [PATCH] cookie: fix tailmatching to prevent cross-domain leakage
-
-Cookies set for 'example.com' could accidentaly also be sent by libcurl
-to the 'bexample.com' (ie with a prefix to the first domain name).
-
-This is a security vulnerabilty, CVE-2013-1944.
-
-Bug: http://curl.haxx.se/docs/adv_20130412.html
-
---- lib/cookie.c.orig	2013-11-18 14:05:59.517749330 -0800
-+++ lib/cookie.c	2013-11-18 14:08:09.852442022 -0800
-@@ -122,15 +122,29 @@
-   free(co);
- }
- 
--static bool tailmatch(const char *little, const char *bigone)
-+static bool tailmatch(const char *cooke_domain, const char *hostname)
- {
--  size_t littlelen = strlen(little);
--  size_t biglen = strlen(bigone);
-+  size_t cookie_domain_len = strlen(cooke_domain);
-+  size_t hostname_len = strlen(hostname);
- 
--  if(littlelen > biglen)
-+  if(hostname_len < cookie_domain_len)
-     return FALSE;
- 
--  return (bool)Curl_raw_equal(little, bigone+biglen-littlelen);
-+  if(!Curl_raw_equal(cooke_domain, hostname+hostname_len-cookie_domain_len))
-+    return FALSE;
-+
-+  /* A lead char of cookie_domain is not '.'.
-+     RFC6265 4.1.2.3. The Domain Attribute says:
-+       For example, if the value of the Domain attribute is
-+       "example.com", the user agent will include the cookie in the Cookie
-+       header when making HTTP requests to example.com, www.example.com, and
-+       www.corp.example.com.
-+   */
-+  if(hostname_len == cookie_domain_len)
-+    return TRUE;
-+  if('.' == *(hostname + hostname_len - cookie_domain_len - 1))
-+    return TRUE;
-+  return FALSE;
- }
- 
- /*