From 033aaf84f7d4802120aa63d3de7f126e2a790a0d Mon Sep 17 00:00:00 2001 From: Cathy Avery Date: Mon, 29 Aug 2022 12:50:45 -0400 Subject: [PATCH] Properly check authorization on incoming guestOps requests. RH-Author: Cathy Avery RH-MergeRequest: 13: Properly check authorization on incoming guestOps requests. RH-Bugzilla: 2119285 RH-Acked-by: Mohamed Gamal Morsy RH-Acked-by: Miroslav Rezanina RH-Commit: [1/1] 7c92651ede82ff9431eaaf7a24889d50ad77e7e3 Tested: Tested by QE Upstream Status: origin/master Conflicts: None commit 70a74758bfe0042c27f15ce590fb21a2bc54d745 Author: John Wolfe Date: Sun Aug 21 07:56:49 2022 -0700 Properly check authorization on incoming guestOps requests. Fix public pipe request checks. Only a SessionRequest type should be accepted on the public pipe. Signed-off-by: Cathy Avery --- open-vm-tools/vgauth/serviceImpl/proto.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/open-vm-tools/vgauth/serviceImpl/proto.c b/open-vm-tools/vgauth/serviceImpl/proto.c index db7159ee..6c672601 100644 --- a/open-vm-tools/vgauth/serviceImpl/proto.c +++ b/open-vm-tools/vgauth/serviceImpl/proto.c @@ -1,5 +1,5 @@ /********************************************************* - * Copyright (C) 2011-2016,2019-2021 VMware, Inc. All rights reserved. + * Copyright (C) 2011-2016,2019-2022 VMware, Inc. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published @@ -1201,6 +1201,10 @@ Proto_SecurityCheckRequest(ServiceConnection *conn, VGAuthError err; gboolean isSecure = ServiceNetworkIsConnectionPrivateSuperUser(conn); + if (conn->isPublic && req->reqType != PROTO_REQUEST_SESSION_REQ) { + return VGAUTH_E_PERMISSION_DENIED; + } + switch (req->reqType) { /* * This comes over the public connection; alwsys let it through. -- 2.31.1