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35 lines
1.0 KiB
35 lines
1.0 KiB
7 years ago
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From d2bc9f3afe23ee04d237ae9f4511fbe59a27ff54 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] CVE-2017-7494: rpc_server3: Refuse to open pipe names with /
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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: Jeremy Allison <jra@samba.org>
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Reviewed-by: Stefan Metzmacher <metze@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 0633b5f..c3f0cd8 100644
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--- a/source3/rpc_server/srv_pipe.c
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+++ b/source3/rpc_server/srv_pipe.c
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@@ -475,6 +475,11 @@ bool is_known_pipename(const char *pipename, struct ndr_syntax_id *syntax)
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{
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NTSTATUS status;
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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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--
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1.9.1
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