cookies: getlist() now holds deep copies of all cookies

Previously it only held references to them, which was reckless as the
thread lock was released so the cookies could get modified by other
handles that share the same cookie jar over the share interface.

CVE-2016-8623

Bug: https://curl.haxx.se/docs/adv_20161102I.html
Reported-by: Cure53
This commit is contained in:
Daniel Stenberg 2016-10-04 23:26:13 +02:00
parent fba28277ca
commit c5be3d7267
3 changed files with 43 additions and 24 deletions

View file

@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -82,7 +82,7 @@ struct Cookie *Curl_cookie_add(struct Curl_easy *data,
struct Cookie *Curl_cookie_getlist(struct CookieInfo *, const char *,
const char *, bool);
void Curl_cookie_freelist(struct Cookie *cookies, bool cookiestoo);
void Curl_cookie_freelist(struct Cookie *cookies);
void Curl_cookie_clearall(struct CookieInfo *cookies);
void Curl_cookie_clearsess(struct CookieInfo *cookies);