From b719a4d53fc6d590f4fac340d956344a5246de4e Mon Sep 17 00:00:00 2001 From: Volker Lendecke Date: Mon, 8 May 2017 21:40:40 +0200 Subject: [PATCH] CVE-2017-7494: Refuse to open pipe names with / inside BUG: https://bugzilla.samba.org/show_bug.cgi?id=12780 Signed-off-by: Volker Lendecke Reviewed-by: Andreas Schneider --- source3/rpc_server/srv_pipe.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/source3/rpc_server/srv_pipe.c b/source3/rpc_server/srv_pipe.c index ec24fe7..b80e3f5 100644 --- a/source3/rpc_server/srv_pipe.c +++ b/source3/rpc_server/srv_pipe.c @@ -473,6 +473,11 @@ bool is_known_pipename(const char *cli_filename, struct ndr_syntax_id *syntax) pipename += 1; } + if (strchr(pipename, '/')) { + DEBUG(1,("Refusing open on pipe %s\n", pipename)); + return false; + } + if (lp_disable_spoolss() && strequal(pipename, "spoolss")) { DEBUG(10, ("refusing spoolss access\n")); return false; -- 2.9.4