Application Security
CWE-455 Non-exit on Failed Initialization: Fail Securely
A product that keeps running after a security-relevant startup error may run less securely than intended. CWE-455 explained with a Perl example.
Oct 18, 20262 min read
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CWE-454 External Initialization of Trusted Variables or Data Stores
Letting untrusted inputs set critical internal variables hands attackers the controls. CWE-454 explained with Java and PHP debug flag examples.
Oct 18, 20263 min read
Application Security
CWE-453 Insecure Default Variable Initialization Explained
When a variable starts with a less secure value than it could. CWE-453 explained with the PHP register_globals login example and the fix.
Oct 18, 20262 min read
Application Security
CWE-451 UI Misrepresentation of Critical Information
When an interface lets critical information be obscured or spoofed, users approve the wrong thing. CWE-451 covers overlays, icons and filename tricks.
Oct 18, 20263 min read
Application Security
CWE-450 Multiple Interpretations of UI Input
When input can mean two things and the UI quietly picks the less secure one. CWE-450 explained with MITRE's input validation guidance.
Oct 18, 20262 min read
Application Security
CWE-45 Multiple Internal Dot Path Equivalence
CWE-45 is the file...name form of path equivalence. A short guide to why odd dot runs matter and how to validate filenames.
Oct 18, 20262 min read
Application Security
CWE-449 The UI Performs the Wrong Action
The user asks for one thing and the interface does another. CWE-449 explained with firewall option and timeout examples, plus how to test for it.
Oct 18, 20262 min read
Application Security
CWE-448 Obsolete Feature in UI: Warn Before Users Rely on It
A UI function that is no longer supported but gives no warning. CWE-448 and the simple fix of removing it or telling the user.
Oct 18, 20262 min read
Application Security
CWE-447 Unimplemented or Unsupported Feature in UI
A security option that looks supported in the UI but does nothing underneath. CWE-447 explained with router, browser and GUI tool examples.
Oct 18, 20262 min read
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