libmicrohttpd

commit 961635da2a9d7363528940f4fa7a0148e96e90d8
parent 7e5206cc032c965f228d77696392d430ef4b5aa9
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
Date:   Thu, 21 Jul 2022 18:59:06 +0300

digest_auth_check(): added check for too large realm value

Diffstat:
M
src/microhttpd/digestauth.c
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/src/microhttpd/digestauth.c b/src/microhttpd/digestauth.c
@@ -1973,6 +1973,9 @@ digest_auth_check_all_inner (struct MHD_Connection *connection,
 
   if (NULL == params->realm.value.str)
     return MHD_DAUTH_WRONG_HEADER;
+  else if (((NULL == digest) || params->userhash) &&
+           (_MHD_AUTH_DIGEST_MAX_PARAM_SIZE < params->realm.value.len))
+    return MHD_DAUTH_TOO_LARGE; /* Realm is too large and it will be used in hash calculations */
 
   if (NULL == params->nc.value.str)
     return MHD_DAUTH_WRONG_HEADER;