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Web Application Vulnerabilities Checklist

Web Application Vulnerabilities Checklist. Parameter Checklist. URL request URL encoding Query string Header Cookie Form field Hidden field Client side validation ‘Tainted’ parameters Min/Max lengths Concatenate commands.

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Web Application Vulnerabilities Checklist

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  1. Web Application Vulnerabilities Checklist

  2. Parameter Checklist • URL request • URL encoding • Query string • Header • Cookie • Form field • Hidden field • Client side validation • ‘Tainted’ parameters • Min/Max lengths • Concatenate commands

  3. Determine policies for access to content and functions.

  4. Credential Management • Password storage • Password change • User Update section • Password strength • Lockout policy • Login attempts allowed

  5. Session Management • Token protection • Session Duration • Idle time Duration • Guess Session ID format • Transfer in URL or BODY? • Is Session Id linked to the IP address? • Change Referrer tag

  6. Backend Authentication • Trust relationships • Encryption • Plaintext password in HTML • Password in configuration file.

  7. XSS • Which type – stored or reflected • Check for 404/500 error pages for • return information. • Input validation

  8. MisConfiguration • Nikto results • Nessus results • Patch level • Directory listing • Directory permission • Error messages • Default username/pass • SSL cert. Configuration • Debug or configuration Files • Check for latest vulnerabilities

  9. Unwanted • Backup files • Defaults files • Services • Remote admin. Access

  10. Flaws in access control? • Check for path transversal. • Client side Caching • Check header • Check metatag • Determine file permissions

  11. SQL injection • Mirror website and search for all input parameters • Gain database related information • Error Messages • Privileges given to the webserver or database

  12. OS calls • Using any interpreter? • OS service calls (e.g. Sendmail) • Mirror and search code for all calls to external sources. • Privileges given to other services and webserver.

  13. Complete check of information returned in error messages. Guess • application logic through errors codes and messages. • Deconstruction of binary codes (if any) • Is critical data secured and encrypted?

  14. Examine • Token • Cookie • SSID • Serialized Objects

  15. Access points • Regular users • Admin access • Any other?

  16. Ability to brute force at the discovered access points. • Ability to bypass auth. with spoofed tokens • Ability to conduct replay attack. • Forced browsing, does application keep a check by tracking request from each user.

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