XML parsing vulnerable to XXE for XML Reader

Docs > Code Analysis > Static Analysis Rules > XML parsing vulnerable to XXE for XML Reader

Metadata

ID: java-security/xml-parsing-xxe-xmlreader

Language: Java

Severity: Warning

Category: Security

CWE: 611

Description

Your code may be vulnerable XML if you process XML from an untrusted source. Make sure to enable secure processing when you process XML data.

This rule is to check XML Readers.

For DocumentBuilderFactory, make sure you set XMLConstants.FEATURE_SECURE_PROCESSING to true.

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Non-Compliant Code Examples

class MyClass {

    public void test() {
        XMLReader reader = XMLReaderFactory.createXMLReader();
        reader.setContentHandler(customHandler);
        reader.parse(new InputSource(inputStream));
    }
}

Compliant Code Examples

class MyClass {

    public void test() {
        XMLReader reader = XMLReaderFactory.createXMLReader();
        reader.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
        reader.setContentHandler(customHandler);

        reader.parse(new InputSource(inputStream));
    }
}