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From 36bbeb1a40aeefc803e63e4ba4b2a4fd011e6d19 Mon Sep 17 00:00:00 2001
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From: Cathy Avery <cavery@redhat.com>
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Date: Mon, 29 Aug 2022 12:50:45 -0400
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Subject: [PATCH] Properly check authorization on incoming guestOps requests.
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RH-Author: Cathy Avery <cavery@redhat.com>
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RH-MergeRequest: 8: Properly check authorization on incoming guestOps requests.
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RH-Bugzilla: 2119286
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RH-Acked-by: Mohamed Gamal Morsy <mmorsy@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
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RH-Commit: [1/1] 6a5114b10648885d5b7e9423f87ca41ecf041b7e
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Tested: Tested by QE
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Upstream Status: origin/master
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Conflicts: None
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commit 70a74758bfe0042c27f15ce590fb21a2bc54d745
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Author: John Wolfe <jwolfe@vmware.com>
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Date: Sun Aug 21 07:56:49 2022 -0700
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Properly check authorization on incoming guestOps requests.
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Fix public pipe request checks. Only a SessionRequest type should
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be accepted on the public pipe.
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Signed-off-by: Cathy Avery <cavery@redhat.com>
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---
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open-vm-tools/vgauth/serviceImpl/proto.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/open-vm-tools/vgauth/serviceImpl/proto.c b/open-vm-tools/vgauth/serviceImpl/proto.c
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index db7159ee..6c672601 100644
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--- a/open-vm-tools/vgauth/serviceImpl/proto.c
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+++ b/open-vm-tools/vgauth/serviceImpl/proto.c
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@@ -1,5 +1,5 @@
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/*********************************************************
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- * Copyright (C) 2011-2016,2019-2021 VMware, Inc. All rights reserved.
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+ * Copyright (C) 2011-2016,2019-2022 VMware, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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@@ -1201,6 +1201,10 @@ Proto_SecurityCheckRequest(ServiceConnection *conn,
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VGAuthError err;
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gboolean isSecure = ServiceNetworkIsConnectionPrivateSuperUser(conn);
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+ if (conn->isPublic && req->reqType != PROTO_REQUEST_SESSION_REQ) {
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+ return VGAUTH_E_PERMISSION_DENIED;
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+ }
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+
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switch (req->reqType) {
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/*
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* This comes over the public connection; alwsys let it through.
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--
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2.31.1
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