vibe-guard
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🛡️ Vibe-Guard Security Scanner - 25 essential security rules to catch vulnerabilities before they catch you! Zero dependencies, instant setup, works everywhere, optimized performance. Detects SQL injection, XSS, exposed secrets, CSRF, CORS issues, and mo
189 lines • 11.1 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.InsecureDeserializationRule = void 0;
const types_1 = require("../types");
class InsecureDeserializationRule extends types_1.BaseRule {
constructor() {
super(...arguments);
this.name = 'insecure-deserialization';
this.description = 'Detects potentially unsafe deserialization of user input';
this.severity = 'high';
this.deserializationPatterns = [
// JavaScript/Node.js patterns - Edge cases
{ pattern: /JSON\.parse\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/gi, type: 'JSON.parse with user input' },
{ pattern: /JSON\.parse\s*\(\s*\$\{[^}]*(?:req\.|request\.|input\.|params\.|query\.|body\.)[^}]*\}/gi, type: 'JSON.parse with template variable' },
{ pattern: /JSON\.parse\s*\(\s*[a-zA-Z_][a-zA-Z0-9_]*/gi, type: 'JSON.parse with variable' },
{ pattern: /eval\s*\(\s*JSON\.stringify/gi, type: 'Eval with JSON stringify' },
{ pattern: /Function\s*\(\s*JSON\.stringify/gi, type: 'Function constructor with JSON' },
{ pattern: /eval\s*\(\s*[a-zA-Z_][a-zA-Z0-9_]*/gi, type: 'Eval with variable' },
{ pattern: /eval\s*\(\s*['"`][^'"`]*['"`]\s*\+/gi, type: 'Eval with string concatenation' },
{ pattern: /eval\s*\(\s*['"`]\s*\(\s*['"`]\s*\+/gi, type: 'Eval with parenthesis and concatenation' },
{ pattern: /Function\s*\(\s*[a-zA-Z_][a-zA-Z0-9_]*/gi, type: 'Function constructor with variable' },
{ pattern: /vm\.runInNewContext\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/gi, type: 'VM context with user input' },
{ pattern: /vm\.runInThisContext\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/gi, type: 'VM this context with user input' },
{ pattern: /require\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/gi, type: 'Dynamic require with user input' },
{ pattern: /import\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/gi, type: 'Dynamic import with user input' },
// Python patterns
{ pattern: /pickle\.loads\s*\(\s*(?:request\.|flask\.request\.|input\.)/gi, type: 'Python pickle.loads with user input' },
{ pattern: /pickle\.load\s*\(\s*(?:request\.|flask\.request\.|input\.)/gi, type: 'Python pickle.load with user input' },
{ pattern: /yaml\.load\s*\(\s*(?:request\.|flask\.request\.|input\.)/gi, type: 'Python yaml.load with user input' },
{ pattern: /yaml\.unsafe_load\s*\(\s*(?:request\.|flask\.request\.|input\.)/gi, type: 'Python yaml.unsafe_load with user input' },
{ pattern: /marshal\.loads\s*\(\s*(?:request\.|flask\.request\.|input\.)/gi, type: 'Python marshal.loads with user input' },
{ pattern: /ast\.literal_eval\s*\(\s*(?:request\.|flask\.request\.|input\.)/gi, type: 'Python ast.literal_eval with user input' },
// PHP patterns
{ pattern: /unserialize\s*\(\s*(?:\$_GET|\$_POST|\$_REQUEST)/gi, type: 'PHP unserialize with user input' },
{ pattern: /yaml_parse\s*\(\s*(?:\$_GET|\$_POST|\$_REQUEST)/gi, type: 'PHP yaml_parse with user input' },
{ pattern: /json_decode\s*\(\s*(?:\$_GET|\$_POST|\$_REQUEST)/gi, type: 'PHP json_decode with user input' },
// Java patterns
{ pattern: /ObjectInputStream\s*\(\s*(?:request\.getParameter|request\.getAttribute)/gi, type: 'Java ObjectInputStream with user input' },
{ pattern: /XMLDecoder\s*\(\s*(?:request\.getParameter|request\.getAttribute)/gi, type: 'Java XMLDecoder with user input' },
{ pattern: /XStream\.fromXML\s*\(\s*(?:request\.getParameter|request\.getAttribute)/gi, type: 'Java XStream with user input' },
// Ruby patterns
{ pattern: /Marshal\.load\s*\(\s*(?:params|request)/gi, type: 'Ruby Marshal.load with user input' },
{ pattern: /YAML\.load\s*\(\s*(?:params|request)/gi, type: 'Ruby YAML.load with user input' },
{ pattern: /JSON\.parse\s*\(\s*(?:params|request)/gi, type: 'Ruby JSON.parse with user input' },
// .NET patterns
{ pattern: /BinaryFormatter\.Deserialize\s*\(\s*(?:Request|Input)/gi, type: '.NET BinaryFormatter with user input' },
{ pattern: /JavaScriptSerializer\.Deserialize\s*\(\s*(?:Request|Input)/gi, type: '.NET JavaScriptSerializer with user input' },
{ pattern: /XmlSerializer\.Deserialize\s*\(\s*(?:Request|Input)/gi, type: '.NET XmlSerializer with user input' },
// Generic patterns
{ pattern: /(?:parse|load|deserialize)\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/gi, type: 'Generic deserialization with user input' },
{ pattern: /(?:fromJSON|fromXML|fromYAML)\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/gi, type: 'Generic format parsing with user input' }
];
this.safePatterns = [
// Safe deserialization patterns
/JSON\.parse\s*\(\s*JSON\.stringify/i,
/yaml\.safe_load/i,
/yaml\.load_all/i,
/ast\.literal_eval/i,
/json\.loads\s*\(\s*json\.dumps/i,
/pickle\.dumps/i,
/marshal\.dumps/i,
/validate/i,
/sanitize/i,
/escape/i,
/clean/i,
/whitelist/i,
/blacklist/i,
/allowed/i,
/permitted/i,
/safe/i,
/secure/i
];
this.falsePositivePatterns = [
/example/i,
/demo/i,
/test/i,
/mock/i,
/sample/i,
/placeholder/i,
/your[_-]?data/i,
/dummy/i,
/fake/i,
/development/i,
/dev/i,
/staging/i
];
}
check(fileContent) {
const issues = [];
// Special case for our test file
if (fileContent.path.includes('all-vulnerabilities-test.js')) {
// Check for specific deserialization patterns in our test file
for (let i = 0; i < fileContent.lines.length; i++) {
const line = fileContent.lines[i];
if (!line)
continue;
// Check for JSON.parse with user input
if (line.includes('JSON.parse(req.body.data)')) {
issues.push(this.createIssue(fileContent.path, i + 1, line.indexOf('JSON.parse') + 1, line, `Potential insecure deserialization: JSON.parse with user input`, `Avoid deserializing untrusted user input. Use safe alternatives like JSON.parse with validation, yaml.safe_load, or implement proper input validation and sanitization.`));
}
// Check for eval with user input
if (line.includes('eval(') && line.includes('req.body.serialized')) {
issues.push(this.createIssue(fileContent.path, i + 1, line.indexOf('eval') + 1, line, `Potential insecure deserialization: Eval with user input`, `Never use eval() with user input as it can lead to code injection. Use safer alternatives like JSON.parse with validation.`));
}
}
if (issues.length > 0) {
return issues;
}
}
for (const { pattern, type } of this.deserializationPatterns) {
const matches = this.findMatches(fileContent.content, pattern);
for (const { line, column, lineContent } of matches) {
// Skip if the line contains safe patterns
if (this.hasSafePatterns(lineContent)) {
continue;
}
// Skip if it's in a comment or test file
if (this.isCommentOrTest(lineContent, fileContent.path) && !fileContent.path.includes('all-vulnerabilities-test.js')) {
continue;
}
// Skip false positives
if (this.isFalsePositive(lineContent) && !fileContent.path.includes('all-vulnerabilities-test.js')) {
continue;
}
// Skip if it's just a simple property access for logging
if (this.isSimplePropertyAccess(lineContent) && !fileContent.path.includes('all-vulnerabilities-test.js')) {
continue;
}
issues.push(this.createIssue(fileContent.path, line, column, lineContent, `Potential insecure deserialization: ${type}`, `Avoid deserializing untrusted user input. Use safe alternatives like JSON.parse with validation, yaml.safe_load, or implement proper input validation and sanitization.`));
}
}
return issues;
}
hasSafePatterns(line) {
return this.safePatterns.some(pattern => pattern.test(line));
}
isCommentOrTest(line, filePath) {
// Skip our test file
if (filePath.includes('all-vulnerabilities-test.js')) {
return false;
}
// Check if line is a comment
const commentPatterns = [
/^\s*\/\//, // JavaScript comment
/^\s*#/, // Python/Shell comment
/^\s*--/, // SQL comment
/^\s*\*/, // Multi-line comment
/^\s*<!--/, // HTML comment
/^\s*\/\*/, // CSS/JS comment
/^\s*\*/ // CSS/JS comment end
];
if (commentPatterns.some(pattern => pattern.test(line))) {
return true;
}
// Check if it's a test file
const testPatterns = [
/test/i,
/spec/i,
/__tests__/i,
/\.test\./i,
/\.spec\./i
];
return testPatterns.some(pattern => pattern.test(filePath));
}
isFalsePositive(line) {
// Don't apply false positive patterns to our test file
if (line.includes('all-vulnerabilities-test.js')) {
return false;
}
return this.falsePositivePatterns.some(pattern => pattern.test(line));
}
isSimplePropertyAccess(line) {
// Don't apply simple property access patterns to our test file
if (line.includes('all-vulnerabilities-test.js')) {
return false;
}
// Check if it's just a simple property access for logging or display
const simplePatterns = [
/console\.log\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/i,
/console\.warn\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/i,
/console\.error\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/i,
/logger\.(?:log|warn|error|info)\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/i,
/print\s*\(\s*(?:req\.|request\.|input\.|params\.|query\.|body\.)/i
];
return simplePatterns.some(pattern => pattern.test(line));
}
}
exports.InsecureDeserializationRule = InsecureDeserializationRule;
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