Insecure Hash Algorithm Usage in Application Code
MD5 and SHA-1 collisions were proven broken decades ago, yet they still power passwords, checksums, and signatures in production code today. Here's why—and how to find them.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
MD5 and SHA-1 collisions were proven broken decades ago, yet they still power passwords, checksums, and signatures in production code today. Here's why—and how to find them.
A single deleted line broke Debian's OpenSSL keys for two years. We break down real insecure randomness vulnerabilities and how Safeguard catches weak PRNGs before attackers do.
Missing encryption of sensitive data (CWE-311) drove breaches from Equifax to CVS Health. Here's how it happens across the software supply chain and how to catch it early.
Cleartext sensitive data in cookies (CWE-315) quietly enables account takeover and IDOR. Here's how it happens, why it survives review, and how Safeguard catches it.
Unrestricted file upload flaws let attackers turn a simple upload form into remote code execution. Here's how real-world CVEs happened, and how to prevent them.
Insecure temp file creation (CWE-377) still causes real CVEs today — from JUnit4 to npm's tmp package. Here's how the race condition works and how to stop it.
From Dirty COW to runc's CVE-2021-30465, TOCTOU race conditions keep slipping past code review. Here's why they're invisible to standard tooling — and how to catch them.
Stack traces, SQL errors, and debug pages routinely leak credentials, paths, and library versions to attackers. Here's how CWE-209 exposure happens and how to close it.
Log4Shell, plaintext password logs, and CRLF injection show how logging vulnerabilities turn debug output into a full-blown breach vector for attackers.
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