Application Security
CWE-1223 Race Condition for Write-Once Hardware Attributes
A write-once register is only safe if the trusted code writes first. When untrusted software wins the race, its value becomes permanent.
Oct 18, 20262 min read
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CWE-1222 Insufficient Granularity of Register Lock Regions
One lock bit guarding a large address region forces a bad choice between function and security. Smaller regions or programmable access control avoid it.
Oct 18, 20262 min read
Application Security
CWE-1221 Incorrect Register Defaults or Module Parameters
Register defaults and IP parameters are hardcoded in silicon. Get a security setting wrong and no firmware patch can fix it.
Oct 18, 20262 min read
Application Security
CWE-1220 Insufficient Granularity of Access Control: A Guide
An access policy that is too broad lets in agents it was meant to keep out. CWE-1220 shows up in chips, operating systems and web apps alike.
Oct 18, 20263 min read
Application Security
CWE-122 Heap-based Buffer Overflow: How Chains of Small Bugs Cause It
Heap overflows often start with an integer or length bug upstream. See how the chain works, what attackers gain, and how to test and fix for CWE-122.
Oct 18, 20265 min read
Application Security
CWE-121 Stack-based Buffer Overflow: Causes, Impact and Fixes
A stack-based buffer overflow overwrites a local variable buffer. Learn why it is dangerous, how to test for it, and how to write safer C and C++.
Oct 18, 20265 min read
Application Security
CWE-1209 Failure to Disable Reserved Bits in Hardware Designs
Reserved bits are supposed to do nothing. If debug logic behind them ships in production hardware, an attacker who finds them can write to them.
Oct 18, 20262 min read
Application Security
CWE-1204 Weak Initialization Vector (IV): Causes and Fixes
A static or predictable IV can break otherwise sound encryption. Learn what MITRE says about IV generation and how to fix it in code.
Oct 18, 20264 min read
Application Security
CWE-120 Classic Buffer Overflow: Copying Input Without a Size Check
CWE-120 is the textbook buffer overflow: input copied into a smaller buffer. See the vulnerable pattern, the fix, and how to catch it before release.
Oct 18, 20265 min read
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