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- From e6d7c30734487246e83b95520e81bc1ccf0a2376 Mon Sep 17 00:00:00 2001
- From: Kamil Dudka <kdudka@redhat.com>
- Date: Thu, 28 May 2015 20:04:35 +0200
- Subject: [PATCH] http: do not leak basic auth credentials on re-used
- connections
-
- CVE-2015-3236
-
- This partially reverts commit curl-7_39_0-237-g87c4abb
-
- Bug: http://curl.haxx.se/docs/adv_20150617A.html
- ---
- lib/http.c | 16 ++++------------
- 1 file changed, 4 insertions(+), 12 deletions(-)
-
- --- a/lib/http.c
- +++ b/lib/http.c
- @@ -2327,20 +2327,12 @@ CURLcode Curl_http(struct connectdata *c
- te
- );
-
- - /*
- - * Free userpwd for Negotiate/NTLM. Cannot reuse as it is associated with
- - * the connection and shouldn't be repeated over it either.
- - */
- - switch (data->state.authhost.picked) {
- - case CURLAUTH_NEGOTIATE:
- - case CURLAUTH_NTLM:
- - case CURLAUTH_NTLM_WB:
- - Curl_safefree(conn->allocptr.userpwd);
- - break;
- - }
- + /* clear userpwd to avoid re-using credentials from re-used connections */
- + Curl_safefree(conn->allocptr.userpwd);
-
- /*
- - * Same for proxyuserpwd
- + * Free proxyuserpwd for Negotiate/NTLM. Cannot reuse as it is associated
- + * with the connection and shouldn't be repeated over it either.
- */
- switch (data->state.authproxy.picked) {
- case CURLAUTH_NEGOTIATE:
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