32 lines
987 B
Diff
32 lines
987 B
Diff
From c12670f75b6403aa0b7d7c02bd7af0d4f1160b9e Mon Sep 17 00:00:00 2001
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From: Volker Lendecke <vl@samba.org>
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Date: Mon, 8 May 2017 21:40:40 +0200
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Subject: [PATCH 1/1] CVE-2017-7494: Refuse to open pipe names with / inside
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BUG: https://bugzilla.samba.org/show_bug.cgi?id=12780
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Signed-off-by: Volker Lendecke <vl@samba.org>
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Reviewed-by: Andreas Schneider <asn@samba.org>
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---
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source3/rpc_server/srv_pipe.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/source3/rpc_server/srv_pipe.c b/source3/rpc_server/srv_pipe.c
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index 251f899..7126865 100644
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--- source3/rpc_server/srv_pipe.c
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+++ source3/rpc_server/srv_pipe.c
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@@ -473,6 +473,11 @@ bool is_known_pipename(const char *cli_filename, struct ndr_syntax_id *syntax)
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pipename += 1;
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}
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+ if (strchr(pipename, '/')) {
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+ DEBUG(1,("Refusing open on pipe %s\n", pipename));
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+ return false;
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+ }
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+
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if (lp_disable_spoolss() && strequal(pipename, "spoolss")) {
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DEBUG(10, ("refusing spoolss access\n"));
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return false;
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2.9.3
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