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Managing OWASP Top 10 2017 in GeneXus Applications
  • A1: 2017 - Injection
  • A2:2017 - Broken Authentication
  • A3:2017 - Sensitive Data Exposure
  • A4:2017 - XML External Entities (XXE)
  • A5:2017 - Broken Access Control
  • A6:2017 - Security Misconfiguration
  • A7:2017 - Cross-Site Scripting (XSS)
  • A8:2017 - Insecure Deserialization
  • A9:2017 - Using Components with Known Vulnerabilities
  • A10:2017 - Insufficient Logging and Monitoring
  • Security Scanner built-in tool
  • GeneXus Security Scanner extension
    • GeneXus Security Scanner extension - Advanced Configurations
    • OWASP Top 10 2017 Security Scanner extension - Reference Table

39915

A4:2017 - XML External Entities (XXE)

Official Content
This documentation is valid for:
  • OWASP Documentation
  • XML External Entity Prevention

Actions by GeneXus

  • GeneXus doesn't execute External Entities by default on Web Services.
  • If the XMLReader Data Type is used it doesn't excecute External Entities by default.

Actions by Developers

  • Check if the XMLReader ReadExternalEntities Property is configured on 1 or true. 
    • Security Scanner helps to detect this scenario with case code #133.

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CREATED: 5 JULY 2018 01:50 PM - UPDATED: 4 MARCH 2021 06:26 PM BY SGRAMPONE