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authorwaqas.ikram <waqas.ikram@est.tech>2021-06-30 14:04:23 +0100
committerwaqas.ikram <waqas.ikram@est.tech>2021-06-30 14:04:24 +0100
commitfa22cfa93f7a2533fc2aa8a20e46bfd6a401579f (patch)
tree58c598c777a803567a054d902d670c5527f758a0 /bpmn/so-bpmn-tasks/src
parent1a031c0f696370d41f3373a39c54aeba7d35d994 (diff)
Fixing XML parsers security bug
Change-Id: I1fbf2b2bd42669d9a3c059c32bb39278bd483d60 Issue-ID: SO-3668 Signed-off-by: waqas.ikram <waqas.ikram@est.tech>
Diffstat (limited to 'bpmn/so-bpmn-tasks/src')
-rw-r--r--bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/network/tasks/NetworkAdapterImpl.java18
1 files changed, 12 insertions, 6 deletions
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/network/tasks/NetworkAdapterImpl.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/network/tasks/NetworkAdapterImpl.java
index 8e6e8678ed..7c6473f79d 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/network/tasks/NetworkAdapterImpl.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/network/tasks/NetworkAdapterImpl.java
@@ -2,12 +2,15 @@ package org.onap.so.bpmn.infrastructure.adapter.network.tasks;
import java.io.ByteArrayInputStream;
import java.io.StringReader;
+import java.nio.charset.StandardCharsets;
import java.util.Optional;
+import javax.xml.XMLConstants;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
+import org.apache.commons.lang3.StringUtils;
import org.onap.so.adapters.nwrest.CreateNetworkResponse;
import org.onap.so.adapters.nwrest.DeleteNetworkResponse;
import org.onap.so.adapters.nwrest.UpdateNetworkResponse;
@@ -22,6 +25,7 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
+import org.w3c.dom.Document;
@Component
public class NetworkAdapterImpl {
@@ -80,14 +84,16 @@ public class NetworkAdapterImpl {
return unmarshaller.unmarshal(reader);
}
- protected Optional<String> findResponseType(String xmlString) {
+ protected Optional<String> findResponseType(final String xmlString) {
try {
- DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
- DocumentBuilder builder = factory.newDocumentBuilder();
- org.w3c.dom.Document doc;
- doc = builder.parse(new ByteArrayInputStream(xmlString.getBytes("UTF-8")));
+ final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+ factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, StringUtils.EMPTY);
+ factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, StringUtils.EMPTY);
+
+ final DocumentBuilder builder = factory.newDocumentBuilder();
+ final Document doc = builder.parse(new ByteArrayInputStream(xmlString.getBytes(StandardCharsets.UTF_8)));
return Optional.of(doc.getDocumentElement().getNodeName());
- } catch (Exception e) {
+ } catch (final Exception e) {
logger.error("Error Finding Response Type", e);
return Optional.empty();
}