Fix a potential XXE Vulnerability #1488
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mko-sci
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Dec 9, 2024
jakobvogel
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Dec 9, 2024
mkeckmkeck
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Dec 10, 2024
sabieber
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idlira
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jmuscireum
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Dec 10, 2024
Without this one con possible include files from the web or the local system like //etc/passwd in an XML file and read it in e.g. an import job or in the frontend or pdf in an svg via setting Feature Secure Processing https://docs.oracle.com/javase/8/docs/technotes/guides/security/jaxp/jaxp.html#feature-for-secure-processing as recommended in https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html#jaxb-unmarshaller - fixes: SIRI-1037
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Description
Fix a potential XXE vulnerability via setting Feature Secure Processing
https://docs.oracle.com/javase/8/docs/technotes/guides/security/jaxp/jaxp.html#feature-for-secure-processing
Nicer and more current documentation:
https://docs.oracle.com/en/java/javase/23/security/java-api-xml-processing-jaxp-security-guide.html
In a nutshell, this prevents access to external entities and set limit while processing xml. As this feature is rarely required and the limits are reasonable high, we expect no problems. But testing the xml processing in products is recommended, after this change got included.
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