Blame SOURCES/edk2-NetworkPkg-HttpDxe-Set-the-HostName-for-the-verifica.patch

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From d28c0053e94b8e721307ac1698d86e5dfb328e6d Mon Sep 17 00:00:00 2001
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From: Laszlo Ersek <lersek@redhat.com>
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Date: Mon, 2 Dec 2019 12:32:04 +0100
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Subject: [PATCH 8/9] NetworkPkg/HttpDxe: Set the HostName for the verification
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 (CVE-2019-14553)
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Laszlo Ersek <lersek@redhat.com>
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Message-id: <20191117220052.15700-9-lersek@redhat.com>
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Patchwork-id: 92459
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O-Subject: [RHEL-8.2.0 edk2 PATCH 8/9] NetworkPkg/HttpDxe: Set the HostName for the verification (CVE-2019-14553)
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Bugzilla: 1536624
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RH-Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
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RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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From: "Wu, Jiaxin" <jiaxin.wu@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=960
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CVE: CVE-2019-14553
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Set the HostName by consuming TLS protocol to enable the host name
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check so as to avoid the potential Man-In-The-Middle attack.
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Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
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Reviewed-by: Ye Ting <ting.ye@intel.com>
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Reviewed-by: Long Qin <qin.long@intel.com>
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Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
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Acked-by: Laszlo Ersek <lersek@redhat.com>
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Message-Id: <20190927034441.3096-5-Jiaxin.wu@intel.com>
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Cc: David Woodhouse <dwmw2@infradead.org>
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Cc: Jian J Wang <jian.j.wang@intel.com>
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Cc: Jiaxin Wu <jiaxin.wu@intel.com>
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Cc: Sivaraman Nainar <sivaramann@amiindia.co.in>
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Cc: Xiaoyu Lu <xiaoyux.lu@intel.com>
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Signed-off-by: Laszlo Ersek <lersek@redhat.com>
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(cherry picked from commit e2fc50812895b17e8b23f5a9c43cde29531b200f)
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---
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 NetworkPkg/HttpDxe/HttpProto.h    |  1 +
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 NetworkPkg/HttpDxe/HttpsSupport.c | 21 +++++++++++++++++----
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 2 files changed, 18 insertions(+), 4 deletions(-)
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diff --git a/NetworkPkg/HttpDxe/HttpProto.h b/NetworkPkg/HttpDxe/HttpProto.h
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index 6e1f517..34308e0 100644
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--- a/NetworkPkg/HttpDxe/HttpProto.h
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+++ b/NetworkPkg/HttpDxe/HttpProto.h
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@@ -82,6 +82,7 @@ typedef struct {
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   EFI_TLS_VERSION               Version;
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   EFI_TLS_CONNECTION_END        ConnectionEnd;
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   EFI_TLS_VERIFY                VerifyMethod;
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+  EFI_TLS_VERIFY_HOST           VerifyHost;
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   EFI_TLS_SESSION_STATE         SessionState;
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 } TLS_CONFIG_DATA;
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diff --git a/NetworkPkg/HttpDxe/HttpsSupport.c b/NetworkPkg/HttpDxe/HttpsSupport.c
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index 988bbcb..5dfb13b 100644
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--- a/NetworkPkg/HttpDxe/HttpsSupport.c
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+++ b/NetworkPkg/HttpDxe/HttpsSupport.c
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@@ -623,13 +623,16 @@ TlsConfigureSession (
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   //
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   // TlsConfigData initialization
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   //
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-  HttpInstance->TlsConfigData.ConnectionEnd = EfiTlsClient;
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-  HttpInstance->TlsConfigData.VerifyMethod = EFI_TLS_VERIFY_PEER;
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-  HttpInstance->TlsConfigData.SessionState = EfiTlsSessionNotStarted;
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+  HttpInstance->TlsConfigData.ConnectionEnd       = EfiTlsClient;
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+  HttpInstance->TlsConfigData.VerifyMethod        = EFI_TLS_VERIFY_PEER;
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+  HttpInstance->TlsConfigData.VerifyHost.Flags    = EFI_TLS_VERIFY_FLAG_NO_WILDCARDS;
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+  HttpInstance->TlsConfigData.VerifyHost.HostName = HttpInstance->RemoteHost;
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+  HttpInstance->TlsConfigData.SessionState        = EfiTlsSessionNotStarted;
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   //
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   // EfiTlsConnectionEnd,
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-  // EfiTlsVerifyMethod
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+  // EfiTlsVerifyMethod,
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+  // EfiTlsVerifyHost,
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   // EfiTlsSessionState
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   //
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   Status = HttpInstance->Tls->SetSessionData (
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@@ -654,6 +657,16 @@ TlsConfigureSession (
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   Status = HttpInstance->Tls->SetSessionData (
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                                 HttpInstance->Tls,
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+                                EfiTlsVerifyHost,
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+                                &HttpInstance->TlsConfigData.VerifyHost,
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+                                sizeof (EFI_TLS_VERIFY_HOST)
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+                                );
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+  if (EFI_ERROR (Status)) {
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+    return Status;
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+  }
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+
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+  Status = HttpInstance->Tls->SetSessionData (
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+                                HttpInstance->Tls,
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                                 EfiTlsSessionState,
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                                 &(HttpInstance->TlsConfigData.SessionState),
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                                 sizeof (EFI_TLS_SESSION_STATE)
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-- 
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1.8.3.1
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