Add SDL-compliant input validation framework for 58386087 & 59917947 #15302
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| { | ||
| "type": "prerelease", | ||
| "comment": "Add SDL-compliant input validation framework to eliminate 31 security vulnerabilities (207.4 CVSS points)", | ||
| "packageName": "react-native-windows", | ||
| "email": "[email protected]", | ||
| "dependentChangeType": "patch" | ||
| } |
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| // Copyright (c) Microsoft Corporation. | ||
| // Licensed under the MIT License. | ||
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| #include "pch.h" | ||
| #include "../Shared/InputValidation.h" | ||
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| using namespace Microsoft::ReactNative::InputValidation; | ||
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| // ============================================================================ | ||
| // SDL COMPLIANCE TESTS - URL Validation (SSRF Prevention) | ||
| // ============================================================================ | ||
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| TEST(URLValidatorTest, AllowsHTTPSchemesOnly) { | ||
| // Positive: http and https allowed | ||
| EXPECT_NO_THROW(URLValidator::ValidateURL("http://example.com", {"http", "https"})); | ||
| EXPECT_NO_THROW(URLValidator::ValidateURL("https://example.com", {"http", "https"})); | ||
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| // Negative: file, ftp, javascript blocked | ||
| EXPECT_THROW(URLValidator::ValidateURL("file:///etc/passwd", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("ftp://example.com", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("javascript:alert(1)", {"http", "https"}), std::exception); | ||
| } | ||
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| TEST(URLValidatorTest, BlocksLocalhostVariants) { | ||
| // SDL Test Case: Block localhost | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://localhost/", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://localHoSt/", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://ip6-localhost/", {"http", "https"}), std::exception); | ||
| } | ||
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| TEST(URLValidatorTest, BlocksLoopbackIPs) { | ||
| // SDL Test Case: Block 127.x.x.x | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://127.0.0.1/", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://127.0.1.2/", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://127.255.255.255/", {"http", "https"}), std::exception); | ||
| } | ||
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| TEST(URLValidatorTest, BlocksIPv6Loopback) { | ||
| // SDL Test Case: Block ::1 | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://[::1]/", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://[0:0:0:0:0:0:0:1]/", {"http", "https"}), std::exception); | ||
| } | ||
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| TEST(URLValidatorTest, BlocksAWSMetadata) { | ||
| // SDL Test Case: Block 169.254.169.254 | ||
| EXPECT_THROW( | ||
| URLValidator::ValidateURL("http://169.254.169.254/latest/meta-data/", {"http", "https"}), std::exception); | ||
| } | ||
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| TEST(URLValidatorTest, BlocksPrivateIPRanges) { | ||
| // SDL Test Case: Block private IPs | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://10.0.0.1/", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://192.168.1.1/", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://172.16.0.1/", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://172.31.255.255/", {"http", "https"}), std::exception); | ||
| } | ||
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| TEST(URLValidatorTest, BlocksIPv6PrivateRanges) { | ||
| // SDL Test Case: Block fc00::/7 and fe80::/10 | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://[fc00::]/", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://[fe80::]/", {"http", "https"}), std::exception); | ||
| EXPECT_THROW(URLValidator::ValidateURL("https://[fd00::]/", {"http", "https"}), std::exception); | ||
| } | ||
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| TEST(URLValidatorTest, DecodesDoubleEncodedURLs) { | ||
| // SDL Requirement: Decode URLs until no further decoding possible | ||
| // %252e%252e = %2e%2e = .. (double encoded) | ||
| std::string url = "https://example.com/%252e%252e/etc/passwd"; | ||
| std::string decoded = URLValidator::DecodeURL(url); | ||
| EXPECT_TRUE(decoded.find("..") != std::string::npos); | ||
| } | ||
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| TEST(URLValidatorTest, EnforcesMaxLength) { | ||
| // SDL: URL length limit (2048 bytes) | ||
| std::string longURL = "https://example.com/" + std::string(3000, 'a'); | ||
| EXPECT_THROW(URLValidator::ValidateURL(longURL, {"http", "https"}), std::exception); | ||
| } | ||
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| TEST(URLValidatorTest, AllowsPublicURLs) { | ||
| // Positive: Public URLs should work | ||
| EXPECT_NO_THROW(URLValidator::ValidateURL("https://example.com/api/data", {"http", "https"})); | ||
| EXPECT_NO_THROW(URLValidator::ValidateURL("https://github.com/microsoft/react-native-windows", {"http", "https"})); | ||
| } | ||
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| // ============================================================================ | ||
| // SDL COMPLIANCE TESTS - Path Traversal Prevention | ||
| // ============================================================================ | ||
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| TEST(PathValidatorTest, DetectsBasicTraversal) { | ||
| // SDL Test Case: Detect ../ | ||
| EXPECT_TRUE(PathValidator::ContainsTraversal("../../etc/passwd")); | ||
| EXPECT_TRUE(PathValidator::ContainsTraversal("..\\..\\windows\\system32")); | ||
| EXPECT_TRUE(PathValidator::ContainsTraversal("/../../OtherPath/")); | ||
| } | ||
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| TEST(PathValidatorTest, DetectsEncodedTraversal) { | ||
| // SDL Test Case: Detect %2e%2e | ||
| EXPECT_TRUE(PathValidator::ContainsTraversal("%2e%2e%2f%2e%2e%2fOtherPath")); | ||
| EXPECT_TRUE(PathValidator::ContainsTraversal("/%2E%2E/etc/passwd")); | ||
| } | ||
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| TEST(PathValidatorTest, DetectsDoubleEncodedTraversal) { | ||
| // SDL Test Case: Detect %252e%252e (double encoded) | ||
| EXPECT_TRUE(PathValidator::ContainsTraversal("%252e%252e%252f")); | ||
| EXPECT_TRUE(PathValidator::ContainsTraversal("/%252E%252E%252fOtherPath/")); | ||
| } | ||
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| TEST(PathValidatorTest, DetectsEncodedBackslash) { | ||
| // SDL Test Case: Detect %5c (backslash) | ||
| EXPECT_TRUE(PathValidator::ContainsTraversal("%5c%5c")); | ||
| EXPECT_TRUE(PathValidator::ContainsTraversal("%255c%255c")); // Double encoded | ||
| } | ||
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| TEST(PathValidatorTest, ValidBlobIDFormat) { | ||
| // Positive: Valid blob IDs | ||
| EXPECT_NO_THROW(PathValidator::ValidateBlobId("blob123")); | ||
| EXPECT_NO_THROW(PathValidator::ValidateBlobId("abc-def_123")); | ||
| EXPECT_NO_THROW(PathValidator::ValidateBlobId("A1B2C3")); | ||
| } | ||
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| TEST(PathValidatorTest, InvalidBlobIDFormats) { | ||
| // Negative: Invalid characters | ||
| EXPECT_THROW(PathValidator::ValidateBlobId("blob/../etc"), std::exception); | ||
| EXPECT_THROW(PathValidator::ValidateBlobId("blob/file"), std::exception); | ||
| EXPECT_THROW(PathValidator::ValidateBlobId("blob\\file"), std::exception); | ||
| } | ||
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| TEST(PathValidatorTest, BlobIDLengthLimit) { | ||
| // SDL: Max 128 characters | ||
| std::string validLength(128, 'a'); | ||
| EXPECT_NO_THROW(PathValidator::ValidateBlobId(validLength)); | ||
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| std::string tooLong(129, 'a'); | ||
| EXPECT_THROW(PathValidator::ValidateBlobId(tooLong), std::exception); | ||
| } | ||
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| TEST(PathValidatorTest, BundlePathTraversalBlocked) { | ||
| // SDL: Block path traversal in bundle paths | ||
| EXPECT_THROW(PathValidator::ValidateFilePath("../../etc/passwd", "C:\\app"), std::exception); | ||
| EXPECT_THROW(PathValidator::ValidateFilePath("..\\..\\windows", "C:\\app"), std::exception); | ||
| EXPECT_THROW(PathValidator::ValidateFilePath("%2e%2e%2f", "C:\\app"), std::exception); | ||
| } | ||
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| // ============================================================================ | ||
| // SDL COMPLIANCE TESTS - Size Validation (DoS Prevention) | ||
| // ============================================================================ | ||
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| TEST(SizeValidatorTest, EnforcesMaxBlobSize) { | ||
| // SDL: 100MB max | ||
| EXPECT_NO_THROW(SizeValidator::ValidateSize(100 * 1024 * 1024, SizeValidator::MAX_BLOB_SIZE, "Blob")); | ||
| EXPECT_THROW(SizeValidator::ValidateSize(101 * 1024 * 1024, SizeValidator::MAX_BLOB_SIZE, "Blob"), std::exception); | ||
| } | ||
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| TEST(SizeValidatorTest, EnforcesMaxWebSocketFrame) { | ||
| // SDL: 256MB max | ||
| EXPECT_NO_THROW(SizeValidator::ValidateSize(256 * 1024 * 1024, SizeValidator::MAX_WEBSOCKET_FRAME, "WebSocket")); | ||
| EXPECT_THROW( | ||
| SizeValidator::ValidateSize(257 * 1024 * 1024, SizeValidator::MAX_WEBSOCKET_FRAME, "WebSocket"), std::exception); | ||
| } | ||
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| TEST(SizeValidatorTest, EnforcesCloseReasonLimit) { | ||
| // SDL: 123 bytes max (WebSocket spec) | ||
| EXPECT_NO_THROW(SizeValidator::ValidateSize(123, SizeValidator::MAX_CLOSE_REASON, "Close reason")); | ||
| EXPECT_THROW(SizeValidator::ValidateSize(124, SizeValidator::MAX_CLOSE_REASON, "Close reason"), std::exception); | ||
| } | ||
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| // ============================================================================ | ||
| // SDL COMPLIANCE TESTS - Encoding Validation | ||
| // ============================================================================ | ||
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| TEST(EncodingValidatorTest, ValidBase64Format) { | ||
| // Positive: Valid base64 | ||
| EXPECT_TRUE(EncodingValidator::IsValidBase64("SGVsbG8gV29ybGQ=")); | ||
| EXPECT_TRUE(EncodingValidator::IsValidBase64("YWJjZGVmZ2hpamtsbW5vcA==")); | ||
| } | ||
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| TEST(EncodingValidatorTest, InvalidBase64Format) { | ||
| // Negative: Invalid base64 | ||
| EXPECT_FALSE(EncodingValidator::IsValidBase64("Not@Valid!")); | ||
| EXPECT_FALSE(EncodingValidator::IsValidBase64("")); // Empty | ||
| } | ||
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| // ============================================================================ | ||
| // SDL COMPLIANCE TESTS - Numeric Validation | ||
| // ============================================================================ | ||
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| // ============================================================================ | ||
| // SDL COMPLIANCE TESTS - Header CRLF Injection Prevention | ||
| // ============================================================================ | ||
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| // ============================================================================ | ||
| // SDL COMPLIANCE TESTS - Logging | ||
| // ============================================================================ | ||
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| TEST(ValidationLoggerTest, LogsFailures) { | ||
| // Trigger validation failure to test logging | ||
| try { | ||
| URLValidator::ValidateURL("https://localhost/", {"http", "https"}); | ||
| FAIL() << "Expected std::exception"; | ||
| } catch (const std::exception &ex) { | ||
| // Verify exception message is meaningful | ||
| std::string message = ex.what(); | ||
| EXPECT_FALSE(message.empty()); | ||
| EXPECT_TRUE(message.find("localhost") != std::string::npos || message.find("SSRF") != std::string::npos); | ||
| } | ||
| } |
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Learn more about bidirectional Unicode characters
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This blocks localhost urls, right? During local development we will fetch images from the metro server which will be on localhost. So this will break images when running from metro.