WASC

Summary

The WASC Threat Classification is a cooperative effort to clarify and organize the threats to the security of a website. It outlines the attacks and weaknesses that can lead to the compromise of a website, its data or its users. The version used in this section is WASC Threat Classification v2.0.

Definitions

Definition	Requirements
A_03. Integer overflows	345. Establish protections against overflows
A_05. Remote file inclusion (RFI)	173. Discard unsafe inputs 265. Restrict access to critical processes 266. Disable insecure functionalities
A_07. Buffer overflow	072. Set maximum response time 158. Use a secure programming language 164. Use optimized structures 173. Discard unsafe inputs
A_08. Cross-site scripting	029. Cookies with security attributes 173. Discard unsafe inputs
A_09. Cross-site request forgery	029. Cookies with security attributes 174. Transactions without a distinguishable pattern 349. Include HTTP security headers
A_10. Denial of service	072. Set maximum response time 327. Set a rate limit 345. Establish protections against overflows
A_11. Brute force	237. Ascertain human interaction 327. Set a rate limit
A_12. Content spoofing	035. Manage privilege modifications 096. Set user's required privileges 173. Discard unsafe inputs 176. Restrict system objects 265. Restrict access to critical processes 320. Avoid client-side control enforcement 342. Validate request parameters
A_18. Credential and session prediction	030. Avoid object reutilization 173. Discard unsafe inputs 175. Protect pages from clickjacking
A_19. SQL injection	169. Use parameterized queries 173. Discard unsafe inputs
A_26. HTTP request smuggling	062. Define standard configurations 173. Discard unsafe inputs 266. Disable insecure functionalities 345. Establish protections against overflows
A_29. LDAP injection	173. Discard unsafe inputs
A_30. Mail command injection	181. Transmit data using secure protocols 266. Disable insecure functionalities
A_31. OS commanding	173. Discard unsafe inputs 265. Restrict access to critical processes 266. Disable insecure functionalities
A_33. Path traversal	173. Discard unsafe inputs 320. Avoid client-side control enforcement 342. Validate request parameters
A_34. Predictable resource location	037. Parameters without sensitive data 237. Ascertain human interaction 261. Avoid exposing sensitive information 327. Set a rate limit
A_37. Session fixation	030. Avoid object reutilization
A_38. URL redirector abuse	324. Control redirects
A_39. XPath injection	173. Discard unsafe inputs
A_42. Abuse of functionality	258. Filter website content 266. Disable insecure functionalities
A_46. XML injection	173. Discard unsafe inputs
W_01. Insufficient authentication	227. Display access notification 228. Authenticate using standard protocols 229. Request access credentials 231. Implement a biometric verification component 235. Define credential interface 264. Request authentication 323. Exclude unverifiable files
W_02. Insufficient authorization	035. Manage privilege modifications 096. Set user's required privileges 114. Deny access with inactive credentials 176. Restrict system objects 320. Avoid client-side control enforcement 341. Use the principle of deny by default
W_04. Insufficient transport layer protection	181. Transmit data using secure protocols 336. Disable insecure TLS versions
W_13. Information leakage	176. Restrict system objects 177. Avoid caching and temporary files 261. Avoid exposing sensitive information 300. Mask sensitive data
W_14. Server misconfiguration	062. Define standard configurations
W_15. Application misconfiguration	062. Define standard configurations 142. Change system default credentials 161. Define secure default options
W_16. Directory indexing	176. Restrict system objects 266. Disable insecure functionalities
W_17. Improper filesystem permissions	096. Set user's required privileges 176. Restrict system objects 186. Use the principle of least privilege 264. Request authentication 320. Avoid client-side control enforcement
W_20. Improper input handling	169. Use parameterized queries 173. Discard unsafe inputs
W_21. Insufficient anti-automation	237. Ascertain human interaction
W_22. Improper output handling	160. Encode system outputs
W_40. Insufficient process validation	337. Make critical logic flows thread safe
W_47. Insufficient session expiration	023. Terminate inactive user sessions 030. Avoid object reutilization 335. Define out of band token lifespan 369. Set a maximum lifetime in sessions
W_49. Insufficient password recovery	126. Set a password regeneration mechanism 141. Force re-authentication 238. Establish safe recovery

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