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XXE in #931

ProDigySML opened this Issue Sep 29, 2018 · 0 comments


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ProDigySML commented Sep 29, 2018

The Issue

An XML External Entity attack is a type of attack against an application that parses XML input. This attack occurs when XML input containing a reference to an external entity is processed by a weakly configured XML parser. This attack may lead to the disclosure of confidential data, denial of service, server side request forgery, port scanning from the perspective of the machine where the parser is located, and other system impacts.

Where the Issue Occurred

The following code snippets display the usage of DocumentBuilderFactory without securely disabling entities:

Document doc = documentBuilder.parse(Util.openInputStream(url, headers, null));

@jexp jexp added the Larus label Oct 24, 2018

conker84 added a commit to conker84/neo4j-apoc-procedures that referenced this issue Oct 25, 2018

@jexp jexp closed this in 45bc09c Oct 26, 2018

jexp added a commit that referenced this issue Nov 16, 2018

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