From d7d1bc8f08eea1a85ab0d794bc1561659462d937 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Thu, 16 Apr 2015 13:26:46 +0200
Subject: [PATCH] ConnectionExists: for NTLM re-use, require credentials to
 match

CVE-2015-3143

Bug: http://curl.haxx.se/docs/adv_20150422A.html
Reported-by: Paras Sethia
---
 lib/url.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/url.c b/lib/url.c
index 018bb88..ee3d176 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -3207,11 +3207,11 @@ ConnectionExists(struct SessionHandle *data,
            strcmp(check->localdev, needle->localdev))
           continue;
       }
 
       if((!(needle->handler->flags & PROTOPT_CREDSPERREQUEST)) ||
-         wantNTLMhttp) {
+         (wantNTLMhttp || check->ntlm.state != NTLMSTATE_NONE)) {
         /* This protocol requires credentials per connection or is HTTP+NTLM,
            so verify that we're using the same name and password as well */
         if(!strequal(needle->user, check->user) ||
            !strequal(needle->passwd, check->passwd)) {
           /* one of them was different */
-- 
2.1.4