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unnilennium |
1.1 |
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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