XML parsing vulnerable to XXE for SAX Parsers



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

Language: Java

Severity: Warning

Category: Security


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 SAX parsers.

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() {
        SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
        parser.parse(inputStream, customHandler);

        SAXParserFactory spf2 = SAXParserFactory.newInstance();
        SAXParser parser = spf2.newSAXParser();

Compliant Code Examples

class MyClass {

    public void test() {
        SAXParserFactory spf = SAXParserFactory.newInstance();
        spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
        SAXParser parser = spf.newSAXParser();
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