1From d2bc9f3afe23ee04d237ae9f4511fbe59a27ff54 Mon Sep 17 00:00:00 2001
2From: Volker Lendecke <vl@samba.org>
3Date: Mon, 8 May 2017 21:40:40 +0200
4Subject: [PATCH] CVE-2017-7494: rpc_server3: Refuse to open pipe names with /
5 inside
6
7Bug: https://bugzilla.samba.org/show_bug.cgi?id=12780
8
9Signed-off-by: Volker Lendecke <vl@samba.org>
10Reviewed-by: Jeremy Allison <jra@samba.org>
11Reviewed-by: Stefan Metzmacher <metze@samba.org>
12---
13 source3/rpc_server/srv_pipe.c | 5 +++++
14 1 file changed, 5 insertions(+)
15
16--- a/source3/rpc_server/srv_pipe.c
17+++ b/source3/rpc_server/srv_pipe.c
18@@ -473,6 +473,11 @@ bool is_known_pipename(const char *cli_f
19 		pipename += 1;
20 	}
21 
22+	if (strchr(pipename, '/')) {
23+		DEBUG(1, ("Refusing open on pipe %s\n", pipename));
24+		return false;
25+	}
26+
27 	if (lp_disable_spoolss() && strequal(pipename, "spoolss")) {
28 		DEBUG(10, ("refusing spoolss access\n"));
29 		return false;
30