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

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* 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
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6
bundles/org.openhab.transform.xpath/src/main/java/org/openhab/transform/xpath/internal/XPathTransformationService.java
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@@ -55,6 +55,12 @@ public class XPathTransformationService implements TransformationService {
try {
DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
// see https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html
domFactory.setFeature("http://xml.org/sax/features/external-general-entities", false);
domFactory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
domFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
domFactory.setXIncludeAware(false);
domFactory.setExpandEntityReferences(false);
domFactory.setNamespaceAware(true);
domFactory.setValidating(false);
DocumentBuilder builder = domFactory.newDocumentBuilder();