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

@@ -498,6 +498,12 @@ public class OnkyoHandler extends UpnpAudioSinkHandler implements OnkyoEventList
private void processInfo(String infoXML) {
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
// see https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html
factory.setFeature("http://xml.org/sax/features/external-general-entities", false);
factory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
factory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
factory.setXIncludeAware(false);
factory.setExpandEntityReferences(false);
DocumentBuilder builder = factory.newDocumentBuilder();
try (StringReader sr = new StringReader(infoXML)) {
InputSource is = new InputSource(sr);