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>
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@@ -105,6 +105,12 @@ public class Client {
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public Client() {
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documentBuilderFactory.setNamespaceAware(true);
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try {
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// see https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html
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documentBuilderFactory.setFeature("http://xml.org/sax/features/external-general-entities", false);
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documentBuilderFactory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
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documentBuilderFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
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documentBuilderFactory.setXIncludeAware(false);
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documentBuilderFactory.setExpandEntityReferences(false);
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documentBuilder = documentBuilderFactory.newDocumentBuilder();
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} catch (ParserConfigurationException e) {
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throw new IllegalStateException(e);
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