CVE-2016-2118: s3:rpc_server/samr: allow _samr_ValidatePassword only with PRIVACY...

This requires transport encryption.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11616

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>

diff --git a/source3/rpc_server/samr/srv_samr_nt.c b/source3/rpc_server/samr/srv_samr_nt.c
index 32640f9c1210bc52193d427cd174a468f6270c6b..259b0dd1a9f7e4849cdd51b8883e15aba14b82f4 100644 (file)
--- a/source3/rpc_server/samr/srv_samr_nt.c
+++ b/source3/rpc_server/samr/srv_samr_nt.c
@@ -6746,6 +6746,11 @@ NTSTATUS _samr_ValidatePassword(struct pipes_struct *p,
                return NT_STATUS_ACCESS_DENIED;
        }
 
+       if (p->auth.auth_level != DCERPC_AUTH_LEVEL_PRIVACY) {
+               p->fault_state = DCERPC_FAULT_ACCESS_DENIED;
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
        if (r->in.level < 1 || r->in.level > 3) {
                return NT_STATUS_INVALID_INFO_CLASS;
        }