XML External Entity (XXE) injection in XmlConverter. Thanks to Stepha…

…n Siano for the patch.
apache · Mar 2, 2015 · 06db9e0 · 06db9e0
1 parent b47b51a
commit 06db9e0
Show file tree

Hide file tree

Showing 2 changed files with 17 additions and 5 deletions.
diff --git a/camel-core/src/main/java/org/apache/camel/converter/jaxp/XmlConverter.java b/camel-core/src/main/java/org/apache/camel/converter/jaxp/XmlConverter.java
@@ -602,6 +602,12 @@ public SAXSource toSAXSourceFromStream(StreamSource source, Exchange exchange) t
                 } catch (Exception e) {
                     LOG.warn("SAXParser doesn't support the feature {} with value {}, due to {}.", new Object[]{javax.xml.XMLConstants.FEATURE_SECURE_PROCESSING, "true", e});
                 }
+                try {
+                    sfactory.setFeature("http://xml.org/sax/features/external-general-entities", false);
+                } catch (SAXException e) {
+                    LOG.warn("SAXParser doesn't support the feature {} with value {}, due to {}."
+                            , new Object[]{"http://xml.org/sax/features/external-general-entities", false, e});                
+                }
             }
             sfactory.setNamespaceAware(true);
             SAXParser parser = sfactory.newSAXParser();

diff --git a/camel-core/src/test/java/org/apache/camel/component/xslt/XsltDTDTest.java b/camel-core/src/test/java/org/apache/camel/component/xslt/XsltDTDTest.java
@@ -57,19 +57,25 @@ private void sendEntityMessage(Object message) throws Exception {
         Exchange exchange = list.get(0);
         String xml = exchange.getIn().getBody(String.class);
         assertTrue("Get a wrong transformed message", xml.indexOf("<transformed subject=\"\">") > 0);
-
-
-
+
         try {
+            endpoint.reset();
+            endpoint.expectedMessageCount(1);
+
             template.sendBody("direct:start2", message);
-            fail("Expect an exception here");
+
+            assertMockEndpointsSatisfied();
+
+            list = endpoint.getReceivedExchanges();
+            exchange = list.get(0);
+            xml = exchange.getIn().getBody(String.class);
+            assertTrue("Get a wrong transformed message", xml.indexOf("<transformed subject=\"\">") > 0);
         } catch (Exception ex) {
             // expect an exception here
             assertTrue("Get a wrong exception", ex instanceof CamelExecutionException);
             // the file could not be found
             assertTrue("Get a wrong exception cause", ex.getCause() instanceof TransformerException);
         }
-
     }