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Articles

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Application Security

CWE-1253 Incorrect Selection of Fuse Values: Negative Logic Risk

If a secure state depends on a fuse staying unblown, an attacker can blow it. CWE-1253 explains why fuse logic should never use negative polarity for security.

Oct 18, 20263 min read
Application Security

CWE-1252 CPU Not Configured for Write and Execute Exclusivity

Without hardware support for marking memory as code or data, injected data can run as code. CWE-1252 covers CPUs and microcontrollers where that protection is missing or unconfigured.

Oct 18, 20263 min read
Application Security

CWE-1251 Mirrored Regions With Different Values: What to Know

Duplicated registers and memory help speed but can drift apart. CWE-1251 covers the security cost of mirrors that are not kept in sync.

Oct 18, 20263 min read
Application Security

CWE-1250 Inconsistent Copies of Shared State in Distributed Systems

When components each keep a local copy of shared data, the copies drift. CWE-1250 explains how attackers exploit the window before an update lands.

Oct 18, 20263 min read
Application Security

CWE-125 Out-of-bounds Read: Heartbleed and the Bugs Like It

An out-of-bounds read leaks memory instead of corrupting it. See how Heartbleed worked, what attackers gain, and how to find and fix CWE-125 in C and C++.

Oct 18, 20265 min read
Application Security

CWE-1249 Admin Tools With an Inconsistent View of the OS

When a web admin console shows different users than the OS actually has, intruders hide in the gap. CWE-1249 explains the risk and the refresh fix.

Oct 18, 20263 min read
Application Security

CWE-1248 Semiconductor Defects in Security-Sensitive Hardware

A stuck-at fault in a security module can silently turn a firewall into an open door. CWE-1248 explains why post-manufacturing testing is a security control.

Oct 18, 20263 min read
Application Security

CWE-1247 Protection Against Voltage and Clock Glitches Explained

A single well-timed glitch can skip a signature check and defeat secure boot. CWE-1247 covers devices with no glitch detection and how to defend them.

Oct 18, 20264 min read
Application Security

CWE-1246 Improper Write Handling in Limited-Write Memory

Flash and EEPROM cells wear out. CWE-1246 covers missing or bypassable wear leveling, which lets an attacker destroy storage far faster than normal use would.

Oct 18, 20263 min read

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