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1d13e637 AF |
1 | From b719a4d53fc6d590f4fac340d956344a5246de4e Mon Sep 17 00:00:00 2001 |
2 | From: Volker Lendecke <vl@samba.org> | |
3 | Date: Mon, 8 May 2017 21:40:40 +0200 | |
4 | Subject: [PATCH] CVE-2017-7494: Refuse to open pipe names with / inside | |
5 | ||
6 | BUG: https://bugzilla.samba.org/show_bug.cgi?id=12780 | |
7 | ||
8 | Signed-off-by: Volker Lendecke <vl@samba.org> | |
9 | Reviewed-by: Andreas Schneider <asn@samba.org> | |
10 | --- | |
11 | source3/rpc_server/srv_pipe.c | 5 +++++ | |
12 | 1 file changed, 5 insertions(+) | |
13 | ||
14 | diff --git a/source3/rpc_server/srv_pipe.c b/source3/rpc_server/srv_pipe.c | |
15 | index ec24fe7..b80e3f5 100644 | |
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_filename, struct ndr_syntax_id *syntax) | |
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 | -- | |
31 | 2.9.4 | |
32 |