OWASP Testing Guide v3 Startup

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Planning the new OWASP Testing Guide v3

3rd October 2007: Startup v3
The OWASP Testing Guide v2 was a great success, with thousand download and many many Companies that have adopted it as standard for a Web Application Penetration Testing.
Now we would like to begin a new project that is based on v2 but improve it and complete it.

In the OWASP Testing Guide v2 we have split the set of tests in 8 sub-categories:

  • Information Gathering
  • Business logic testing
  • Authentication Testing
  • Session Management Testing
  • Data Validation Testing
  • Denial of Service Testing
  • Web Services Testing
  • AJAX Testing

The following are my thoughts about the new OWASP Testing Guide v3:

1) Authorization testing missing. As Jeff and Dave said many time before it's important to create a new category.
2) Information gathering is not a set of vulnerabilities. I think we can add a new category Infrastructural testing.
3) Web Services section needs improvement.
4) AJAX Testing section needs improvement.
5) New category: Client side Testing: nowadays in web 2.0 applications it's really important to test for client side vulnerabilities that can introduce new type of attacks: for example a XSS on flash movie loaded on the client (see the last Di Paola works).

Information Gathering


  • Application Fingerprint
  • Application Discovery
  • Spidering and googling
  • Collection of error code
  • SSL/TLS Testing
  • DB Listener Testing
  • File extensions handling
  • Old, backup and unreferenced files