XML parsing vulnerable to XEE
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ID: java-security/xml-parsing-xee
Language: Java
Severity: Notice
Category: Security
CWE: 611
Description
Systems may be vulnerable to an XML External Entity attack when they process XML from untrusted sources.
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Non-Compliant Code Examples
public class TestClass {
public void parseXML(InputStream input) throws XMLStreamException {
XMLInputFactory factory = XMLInputFactory.newFactory();
factory.setProperty("aproperty", false);
XMLStreamReader reader = factory.createXMLStreamReader(input);
factory.setProperty("anotherproperty", false);
}
}
Compliant Code Examples
public class TestClass {
public void parseXML(InputStream input) throws XMLStreamException {
XMLInputFactory factory = XMLInputFactory.newFactory();
factory.setProperty("aproperty", false);
factory.setProperty(XMLInputFactory.SUPPORT_DTD, false);
factory.setProperty("anotherproperty", false);
XMLStreamReader reader = factory.createXMLStreamReader(input);
}
}
public class TestClass {
public void parseXML(InputStream input) throws XMLStreamException {
XMLInputFactory factory = XMLInputFactory.newFactory();
factory.setProperty("aproperty", false);
factory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
factory.setProperty("anotherproperty", false);
XMLStreamReader reader = factory.createXMLStreamReader(input);
}
}
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