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POC in order to protect an document upload application feature against "malicious" document submission.

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hekunOfLiucy/document-upload-protection

 
 

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Description

POC in order to protect an document upload application feature against "malicious" document submission.

It's the code repository of this OWASP article.

Note about dependencies not present into Maven repositories

Before to launch a build or execution of the POC, use the script install-non-maven-deps.bat to install dependencies into your local Maven cache.

Build status

Build Status

Run the POC

  1. Use the maven command below to run the web container:

mvn -DskipTests tomcat7:run-war

  1. Use the following URL to acces to upload form and use the POC:

http://localhost:9090

Format supported

We will focus our work on the following formats because it's the formats that are often used as attack vector and also to transmit legit information:

  • Microsoft Word document (from 97 to 2016),

  • Microsoft Excel document (from 97 to 2016),

  • Microsoft Powerpoint document (from 97 to 2016),

  • Adobe Pdf document,

  • Image document (formats supported by the IJ API: http://rsb.info.nih.gov/ij/developer/api).

Note on Word/Excel/Powerpoint API

The reason why Aspose API have been used into this POC are the following:

  • There many way to embed Macro into a Microsoft Office document and, instead of manually support all the way that exists on the wild (they evolve every days), we prefer to use features from a company that perform R&D on these formats, precisely DOC/XLS/PPT native formats that are proprietary.

  • The open source API POI for DOC native format is not very stable.

  • The open source API JEXCELAPI for XLS native format is not often maintained (last publishing on Maven repository date from 27-Nov-2012).

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POC in order to protect an document upload application feature against "malicious" document submission.

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