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OWASP Java Table of Contents

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J2EE Security for Architects

Discuss the security implications of common J2EE architectures. This could be discussed in terms of: Authentication, Authorisation, Data Validation, Cross Site Scripting protection. Other architecture concerns such as scalability, performance and maintainability can also be mentioned, but the focus on security should not be lost.

Any other security concerns that should be addressed during the design phase should also be mentioned here.

Design considerations

  • Architectural considerations (0%, TD)
    • EJB Middle tier (0%, TD)
    • Web Services Middle tier (0%, TD)
    • Spring Middle tier (0%, TD)

J2EE Security for Developers

Noteworthy Frameworks

Discuss important and relevant Java security frameworks that would be useful to architects. The information should be at a suitably high level, for example, by discussing the advantages and features as well as the associated costs (direct and indirect) of using the frameworks.

(0%, Seeking Volunteers)

  • Struts (Eelco Klaver - Planning - 0%)
  • Turbine
  • Java Server Faces (Sam Reghenzi - 90%, Finalising content)
  • Tapestry
  • Webwork
  • Cocoon
  • Tiles
  • SiteMesh
  • Spring (Eelco Klaver - Planning - 0%)

Java Security Basics

Provide an introduction into the basic security services provided by the Java language and environment. Remember to keep this relevant for web developers for the initial release - there may be a potential to expand this to thick clients in subsequent releases.

  • Class Loading (0%, Shyaam Sundar, Review)
  • Bytecode verifier (0%, Shyaam Sundar, Review)
  • The Security Manager and security.policy file (0%, Shyaam Sundar, Review)

Input Validation Overview

Input validation is perhaps the most important category of application security. Any data entering a software system must be verified to contain safe data that is not mounting a SQL Injection, XSS, CSRF or other form of attack. This is done primarily through the use of regular expressions. It's crucial not to hard-code input validation routines. Regular expressions should contained within a configuration file that can easily updated by an InfoSec professional and not require a programmers intervention or deployment of new application code. Application security needs change over time as new attack vectors are discovered. Application administers need to be able to react to these changes as quickly as possible.

Input Validation

Preventing SQL Injection in Java

  • Overview
  • Prevention (60%, Stephen de Vries, Review)
    • White Listing
    • Prepared Statements
    • Stored Procedures
    • Hibernate
    • Ibatis (60%, Rohyt Belani, Review)
    • Spring JDBC
    • EJB 3.0
    • JDO

Preventing LDAP Injection in Java

  • Overview (100%, Stephen de Vries, Complete)
  • Prevention (100%, Stephen de Vries, Complete)

XPATH Injection

As with the other Injection sections, only provide cursory information on the general case. Should contain practical real-world advise and code examples for preventing XPATH injection.

  • Overview (0%, TD)
  • Prevention (0%, TD)

Miscellaneous Injection Attacks

  • HTTP Response splitting (0%, TD)
  • Command injection - Runtime.getRuntime().exec() (0%, TD)


Session Management

The generic problems and solutions for session management are covered in the Guide. This section should focus on Java specific examples.

  • Logout (0%, TD)
  • Session Timeout (0%, TD)
  • Absolute Timeout (0%, TD)
  • Session Fixation in Java (100%, Rohyt Belani, Review)
  • Terminating sessions (0%, TD)
    • Terminating sessions when the browser window is closed


  • Declarative v/s Programmatic (0%, TD)
  • EJB Authorization (0%, TD)
  • Acegi (0%, TD)
  • JACC (0%, TD)
  • Check horizontal privilege (0%, TD)


  • JCE (80%, Joe Prasanna Kumar - To be reviewed)
  • Storing db secrets (0%, TD)
  • Encrypting JDBC connections (0%, TD)
  • JSSE (80%, Joe Prasanna Kumar - To be reviewed)
  • Random number generation (80%, Joe Prasanna Kumar - To be reviewed)

Error Handling & Logging

  • Logging - why log? what to log? log4j, etc. (0%, TD)
  • Exception handling techniques (0%, TD)
    • fail-open/fail-closed
    • resource cleanup
    • finally block
    • swallowing exceptions
  • Exception handling frameworks (50%, TD)
    • Servlet spec - web.xml Securing tomcat (100%, Darren Edmonds, Completed)
    • JSP errorPage (0%, TD)
  • Web application forensics (0%, TD)

Web Services Security

  • SAML (0%, TD)
  • (X)WS-Security (0%, TD)
  • SunJWSDP (0%, TD)
  • XML Signature (JSR 105) (0%, TD)
  • XML Encryption (JSR 106) (0%, TD)

Code Analysis Tools

The introduction should cover the advantages and short comings of code analysis tools. An overview of the current state of the art and the available tools would go well here. As a start, only open source tools are listed, but if vendors of commercial tools adhere to the Tutorial guidelines, these submissions will be gladly received.

  • Introduction (0%, TD)
  • Category:OWASP LAPSE Project (100%, Review)
  • FindBugs (0%, TD)
    • Creating custom rules
  • PMD (0%, TD)
    • Creating custom rules
  • JLint (0%, TD)
  • Jmetrics (0%, TD)

J2EE Security For Deployers

Practical step-by-step guides to securing various J2EE servers. Examples of secure configurations can also be provided for download. If configurations are provided, they should be properly commented so that the rationale for configuration settings is clearly explained. Users of the configurations should be provided with enough information to make their own risk decisions.

Securing Popular J2EE Servers

  • Securing Tomcat - (100%, Darren Edmonds, Completed)
  • Securing JBoss (0%, TD)
  • Securing WebLogic (0%, TD)
  • Securing WebSphere (0%, TD)
  • Others...

Defining a Java Security Policy

Practical information on creating a Java security policies for J2EE servers.

  • PolicyTool - JChains already provides this functionality, one policy tool is enough.
  • jChains ( - (0%, TD)

Protecting Binaries

J2EE Security for Security Analysts and Testers

  • Using Eclipse to verify Java applications (0%, TD)
  • Using WebScarab to find vulnerabilities in J2EE applications - (0%, TD)
  • Decompiling Java bytecode (0%, TD)

Java Security Resources (ongoing)