Merge pull request from GHSA-r2hc-pmr7-4c9r

* Configured XML parsers to resist XXE attacks

Signed-off-by: Kai Kreuzer <kai@openhab.org>

* added fix for avmfritz

Signed-off-by: Kai Kreuzer <kai@openhab.org>

* added fix for sonos

Signed-off-by: Kai Kreuzer <kai@openhab.org>

* added fix for vitotronic and bosesoundtouch

Signed-off-by: Kai Kreuzer <kai@openhab.org>

* changed avmfritz to singleton pattern

Signed-off-by: Kai Kreuzer <kai@openhab.org>

* addressed roku binding

Signed-off-by: Kai Kreuzer <kai@openhab.org>

* address all uses of DocumentBuilderFactory

Signed-off-by: Kai Kreuzer <kai@openhab.org>

* fixed other occurrences in roku binding

Signed-off-by: Kai Kreuzer <kai@openhab.org>
This commit is contained in:
Kai Kreuzer
2021-01-24 15:06:00 +01:00
committed by GitHub
parent 5682292c0b
commit b0a15b48a3
33 changed files with 235 additions and 34 deletions

View File

@@ -155,7 +155,14 @@ public abstract class DLinkHNAPCommunication {
uri = new URI("http://" + ipAddress + "/HNAP1");
httpClient.start();
parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
// see https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html
dbf.setFeature("http://xml.org/sax/features/external-general-entities", false);
dbf.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
dbf.setXIncludeAware(false);
dbf.setExpandEntityReferences(false);
parser = dbf.newDocumentBuilder();
final MessageFactory messageFactory = MessageFactory.newInstance();
requestAction = messageFactory.createMessage();