Application Security
CWE-336 Same Seed in a PRNG: Identical Output Every Run
Seeding a generator with a constant gives the same sequence on every start. CWE-336 explained in brief, with the fix.
Oct 18, 20262 min read
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CWE-335 Incorrect Usage of Seeds in a PRNG: Seeding Done Wrong
A pseudo-random generator is only as strong as its seed. CWE-335 covers unseeded, reused and guessable seeds, with real examples and fixes.
Oct 18, 20262 min read
Application Security
CWE-334 Small Space of Random Values: Easy to Brute Force
If the number of possible values is too small, attackers just try them all. CWE-334 explained, with real cases from tokens, filenames and TCP cookies.
Oct 18, 20262 min read
Application Security
CWE-333 Improper Handling of Insufficient Entropy in a TRNG
True random generators have limited output and can block or fail. CWE-333 is about code that crashes or hangs when the supply of random numbers runs dry.
Oct 18, 20262 min read
Application Security
CWE-332 Insufficient Entropy in a PRNG: Stability and Security Risks
A pseudo-random generator fed too little entropy can crash, stall or fall back to something insecure. CWE-332 explained, with mitigations from MITRE.
Oct 18, 20262 min read
Application Security
CWE-331 Insufficient Entropy: Random Values With Patterns
When a generator leaves patterns or clusters, some values are likelier than others and attackers exploit that. CWE-331 explained with practical fixes.
Oct 18, 20262 min read
Application Security
CWE-330 Insufficiently Random Values: Tokens Attackers Can Guess
Session IDs, reset tokens and keys all depend on unpredictable numbers. CWE-330 shows how weak randomness breaks them and how to generate values safely.
Oct 18, 20264 min read
Application Security
CWE-33 Path Traversal with '....' (Multiple Dot) and How to Stop It
Four dots can act like several parent hops on some Windows systems and slip past filters that only know about two. How CWE-33 works, with MITRE's observed cases and a fix.
Oct 18, 20266 min read
Application Security
CWE-329 Predictable IV with CBC Mode: How It Breaks and How to Fix It
CBC mode needs an unpredictable initialization vector. CWE-329 covers fixed, null and predictable IVs and the NIST recommended ways to generate them.
Oct 18, 20262 min read
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