Application Security
CWE-805 Buffer Access with Incorrect Length Value, Explained
CWE-805 is what happens when a copy or read uses the wrong length. See how it leads to overflows in C and C++ and the habits that prevent it.
Oct 18, 20265 min read
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Supply Chain Security, in plain English.
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CWE-804 Guessable CAPTCHA: How It Happens and How to Fix It
A CAPTCHA that a script can guess or recognize protects nothing. Here is how CWE-804 shows up in real products and what to do about it.
Oct 18, 20263 min read
Application Security
CWE-80 Basic XSS: Unescaped Script-Related HTML Characters
Characters like angle brackets and ampersands reach a web page unescaped. CWE-80 is the plain version of XSS, and encoding on output is the core fix.
Oct 18, 20263 min read
Application Security
CWE-8 J2EE Entity Bean Declared Remote: What Goes Wrong
Exposing a remote interface on an entity bean can expose its getters and setters to callers you never meant to trust. A look at CWE-8.
Oct 18, 20262 min read
Application Security
CWE-799 Improper Control of Interaction Frequency: Rate Limits
No limit on how often someone can call you means password guessing, coupon abuse and easy denial of service. See how CWE-799 appears and how to add limits that hold.
Oct 18, 20264 min read
Application Security
CWE-798 Use of Hard-coded Credentials: Find Them and Remove Them
Passwords and keys baked into code are shared by every install and impossible to rotate. See inbound and outbound forms of CWE-798, how to detect them, and how to fix them.
Oct 18, 20265 min read
Application Security
CWE-797 Only Filtering Special Elements at an Absolute Position
A filter that checks byte 10 and nothing else is easy to evade. See what CWE-797 means, why fixed offsets fail, and how to validate whole inputs.
Oct 18, 20262 min read
Application Security
CWE-796 Only Filtering Special Elements Relative to a Marker
Filtering only the start or end of a string, or only one argument, leaves other special elements alive. See how CWE-796 plays out and what to do instead.
Oct 18, 20262 min read
Application Security
CWE-795 Only Filtering Special Elements at a Specified Location
A filter that checks only the start, end or a fixed offset misses everything else. Learn how CWE-795 happens and how to validate the whole input.
Oct 18, 20262 min read
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