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From a5757e84bd77ad98580c50ba81da2d1daf0f147a Mon Sep 17 00:00:00 2001
From: Jon Maloy <jmaloy@redhat.com>
Date: Wed, 14 Feb 2024 12:24:44 -0500
Subject: [PATCH 07/18] NetworkPkg: Ip6Dxe: SECURITY PATCH CVE-2023-45231 Unit
Tests
RH-Author: Jon Maloy <jmaloy@redhat.com>
RH-MergeRequest: 54: NetworkPkg: Dhcp6Dxe: SECURITY PATCH CVE-2023-45230 Patch
RH-Jira: RHEL-21841 RHEL-21843 RHEL-21845 RHEL-21847 RHEL-21849 RHEL-21851 RHEL-21853
RH-Acked-by: Gerd Hoffmann <None>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
RH-Commit: [7/18] 57d08b408b30ea98de1e5dfd74f8892b66c0867c
JIRA: https://issues.redhat.com/browse/RHEL-21845
CVE: CVE-2022-45231
Upstream: Merged
commit 6f77463d72807ec7f4ed6518c3dac29a1040df9f
Author: Doug Flick <dougflick@microsoft.com>
Date: Fri Jan 26 05:54:49 2024 +0800
NetworkPkg: Ip6Dxe: SECURITY PATCH CVE-2023-45231 Unit Tests
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=4536
Validates that the patch for...
Out-of-bounds read when handling a ND Redirect message with truncated
options
.. has been fixed
Tests the following function to ensure that an out of bounds read does
not occur
Ip6OptionValidation
Cc: Saloni Kasbekar <saloni.kasbekar@intel.com>
Cc: Zachary Clark-williams <zachary.clark-williams@intel.com>
Signed-off-by: Doug Flick [MSFT] <doug.edk2@gmail.com>
Reviewed-by: Saloni Kasbekar <saloni.kasbekar@intel.com>
Signed-off-by: Jon Maloy <jmaloy@redhat.com>
---
.../Ip6Dxe/GoogleTest/Ip6DxeGoogleTest.cpp | 20 +++
.../Ip6Dxe/GoogleTest/Ip6DxeGoogleTest.inf | 42 ++++++
.../Ip6Dxe/GoogleTest/Ip6OptionGoogleTest.cpp | 129 ++++++++++++++++++
NetworkPkg/Test/NetworkPkgHostTest.dsc | 1 +
4 files changed, 192 insertions(+)
create mode 100644 NetworkPkg/Ip6Dxe/GoogleTest/Ip6DxeGoogleTest.cpp
create mode 100644 NetworkPkg/Ip6Dxe/GoogleTest/Ip6DxeGoogleTest.inf
create mode 100644 NetworkPkg/Ip6Dxe/GoogleTest/Ip6OptionGoogleTest.cpp
diff --git a/NetworkPkg/Ip6Dxe/GoogleTest/Ip6DxeGoogleTest.cpp b/NetworkPkg/Ip6Dxe/GoogleTest/Ip6DxeGoogleTest.cpp
new file mode 100644
index 0000000000..6ebfd5fdfb
--- /dev/null
+++ b/NetworkPkg/Ip6Dxe/GoogleTest/Ip6DxeGoogleTest.cpp
@@ -0,0 +1,20 @@
+/** @file
+ Acts as the main entry point for the tests for the Ip6Dxe module.
+
+ Copyright (c) Microsoft Corporation
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+#include <gtest/gtest.h>
+
+////////////////////////////////////////////////////////////////////////////////
+// Run the tests
+////////////////////////////////////////////////////////////////////////////////
+int
+main (
+ int argc,
+ char *argv[]
+ )
+{
+ testing::InitGoogleTest (&argc, argv);
+ return RUN_ALL_TESTS ();
+}
diff --git a/NetworkPkg/Ip6Dxe/GoogleTest/Ip6DxeGoogleTest.inf b/NetworkPkg/Ip6Dxe/GoogleTest/Ip6DxeGoogleTest.inf
new file mode 100644
index 0000000000..6e4de0745f
--- /dev/null
+++ b/NetworkPkg/Ip6Dxe/GoogleTest/Ip6DxeGoogleTest.inf
@@ -0,0 +1,42 @@
+## @file
+# Unit test suite for the Ip6Dxe using Google Test
+#
+# Copyright (c) Microsoft Corporation.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+[Defines]
+ INF_VERSION = 0x00010017
+ BASE_NAME = Ip6DxeUnitTest
+ FILE_GUID = 4F05D17D-D3E7-4AAE-820C-576D46D2D34A
+ VERSION_STRING = 1.0
+ MODULE_TYPE = HOST_APPLICATION
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 AARCH64
+#
+[Sources]
+ Ip6DxeGoogleTest.cpp
+ Ip6OptionGoogleTest.cpp
+ ../Ip6Option.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ UnitTestFrameworkPkg/UnitTestFrameworkPkg.dec
+ NetworkPkg/NetworkPkg.dec
+
+[LibraryClasses]
+ GoogleTestLib
+ DebugLib
+ NetLib
+ PcdLib
+
+[Protocols]
+ gEfiDhcp6ServiceBindingProtocolGuid
+
+[Pcd]
+ gEfiNetworkPkgTokenSpaceGuid.PcdDhcp6UidType
+
+[Guids]
+ gZeroGuid
diff --git a/NetworkPkg/Ip6Dxe/GoogleTest/Ip6OptionGoogleTest.cpp b/NetworkPkg/Ip6Dxe/GoogleTest/Ip6OptionGoogleTest.cpp
new file mode 100644
index 0000000000..f2cd90e1a9
--- /dev/null
+++ b/NetworkPkg/Ip6Dxe/GoogleTest/Ip6OptionGoogleTest.cpp
@@ -0,0 +1,129 @@
+/** @file
+ Tests for Ip6Option.c.
+
+ Copyright (c) Microsoft Corporation
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+#include <gtest/gtest.h>
+
+extern "C" {
+ #include <Uefi.h>
+ #include <Library/BaseLib.h>
+ #include <Library/DebugLib.h>
+ #include "../Ip6Impl.h"
+ #include "../Ip6Option.h"
+}
+
+/////////////////////////////////////////////////////////////////////////
+// Defines
+///////////////////////////////////////////////////////////////////////
+
+#define IP6_PREFIX_INFO_OPTION_DATA_LEN 32
+#define OPTION_HEADER_IP6_PREFIX_DATA_LEN (sizeof (IP6_OPTION_HEADER) + IP6_PREFIX_INFO_OPTION_DATA_LEN)
+
+////////////////////////////////////////////////////////////////////////
+// Symbol Definitions
+// These functions are not directly under test - but required to compile
+////////////////////////////////////////////////////////////////////////
+UINT32 mIp6Id;
+
+EFI_STATUS
+Ip6SendIcmpError (
+ IN IP6_SERVICE *IpSb,
+ IN NET_BUF *Packet,
+ IN EFI_IPv6_ADDRESS *SourceAddress OPTIONAL,
+ IN EFI_IPv6_ADDRESS *DestinationAddress,
+ IN UINT8 Type,
+ IN UINT8 Code,
+ IN UINT32 *Pointer OPTIONAL
+ )
+{
+ // ..
+ return EFI_SUCCESS;
+}
+
+////////////////////////////////////////////////////////////////////////
+// Ip6OptionValidation Tests
+////////////////////////////////////////////////////////////////////////
+
+// Define a fixture for your tests if needed
+class Ip6OptionValidationTest : public ::testing::Test {
+protected:
+ // Add any setup code if needed
+ virtual void
+ SetUp (
+ )
+ {
+ // Initialize any resources or variables
+ }
+
+ // Add any cleanup code if needed
+ virtual void
+ TearDown (
+ )
+ {
+ // Clean up any resources or variables
+ }
+};
+
+// Test Description:
+// Null option should return false
+TEST_F (Ip6OptionValidationTest, NullOptionShouldReturnFalse) {
+ UINT8 *option = nullptr;
+ UINT16 optionLen = 10; // Provide a suitable length
+
+ EXPECT_FALSE (Ip6IsNDOptionValid (option, optionLen));
+}
+
+// Test Description:
+// Truncated option should return false
+TEST_F (Ip6OptionValidationTest, TruncatedOptionShouldReturnFalse) {
+ UINT8 option[] = { 0x01 }; // Provide a truncated option
+ UINT16 optionLen = 1;
+
+ EXPECT_FALSE (Ip6IsNDOptionValid (option, optionLen));
+}
+
+// Test Description:
+// Ip6OptionPrefixInfo Option with zero length should return false
+TEST_F (Ip6OptionValidationTest, OptionWithZeroLengthShouldReturnFalse) {
+ IP6_OPTION_HEADER optionHeader;
+
+ optionHeader.Type = Ip6OptionPrefixInfo;
+ optionHeader.Length = 0;
+ UINT8 option[sizeof (IP6_OPTION_HEADER)];
+
+ CopyMem (option, &optionHeader, sizeof (IP6_OPTION_HEADER));
+ UINT16 optionLen = sizeof (IP6_OPTION_HEADER);
+
+ EXPECT_FALSE (Ip6IsNDOptionValid (option, optionLen));
+}
+
+// Test Description:
+// Ip6OptionPrefixInfo Option with valid length should return true
+TEST_F (Ip6OptionValidationTest, ValidPrefixInfoOptionShouldReturnTrue) {
+ IP6_OPTION_HEADER optionHeader;
+
+ optionHeader.Type = Ip6OptionPrefixInfo;
+ optionHeader.Length = 4; // Length 4 * 8 = 32
+ UINT8 option[OPTION_HEADER_IP6_PREFIX_DATA_LEN];
+
+ CopyMem (option, &optionHeader, sizeof (IP6_OPTION_HEADER));
+
+ EXPECT_TRUE (Ip6IsNDOptionValid (option, IP6_PREFIX_INFO_OPTION_DATA_LEN));
+}
+
+// Test Description:
+// Ip6OptionPrefixInfo Option with invalid length should return false
+TEST_F (Ip6OptionValidationTest, InvalidPrefixInfoOptionLengthShouldReturnFalse) {
+ IP6_OPTION_HEADER optionHeader;
+
+ optionHeader.Type = Ip6OptionPrefixInfo;
+ optionHeader.Length = 3; // Length 3 * 8 = 24 (Invalid)
+ UINT8 option[sizeof (IP6_OPTION_HEADER)];
+
+ CopyMem (option, &optionHeader, sizeof (IP6_OPTION_HEADER));
+ UINT16 optionLen = sizeof (IP6_OPTION_HEADER);
+
+ EXPECT_FALSE (Ip6IsNDOptionValid (option, optionLen));
+}
diff --git a/NetworkPkg/Test/NetworkPkgHostTest.dsc b/NetworkPkg/Test/NetworkPkgHostTest.dsc
index 24dee654df..7fa7b0f9d5 100644
--- a/NetworkPkg/Test/NetworkPkgHostTest.dsc
+++ b/NetworkPkg/Test/NetworkPkgHostTest.dsc
@@ -26,6 +26,7 @@
# Build HOST_APPLICATION that tests NetworkPkg
#
NetworkPkg/Dhcp6Dxe/GoogleTest/Dhcp6DxeGoogleTest.inf
+ NetworkPkg/Ip6Dxe/GoogleTest/Ip6DxeGoogleTest.inf
# Despite these library classes being listed in [LibraryClasses] below, they are not needed for the host-based unit tests.
[LibraryClasses]
--
2.39.3
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