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.
CWE-277 is when objects a program creates inherit insecure permissions, such as the user's umask on temp files. Learn how to set modes on purpose.
CWE-276 is software that installs files others can modify. See how world-writable defaults arise in installers and images, how to audit them, and how to fix them.
CWE-274 is what happens when a program does not cope with lacking the privileges it needs. Learn how the failure path becomes a weakness and how to handle it.
CWE-273 is dropping privileges without confirming it worked. Unchecked setuid return values leave programs running as root. See the pattern and fix.
CWE-272 means keeping elevated privilege longer than needed. Learn the drop-after-use pattern for chroot and other privileged calls, with code in C.
CWE-271 is handing a resource to an unprivileged actor without lowering your own rights first. Setuid examples, a C pattern, and how to test it.
CWE-270 is mismanaging privileges when moving between contexts with different trust, from browser zones to callbacks. Learn the pattern and fixes.
Strip one dot-dot-slash and the attacker sends two. How CWE-27 defeats single-removal filters and start-of-string checks, with a fix that does not depend on either.
CWE-269 is the parent of many privilege bugs: assigning, modifying, tracking, or checking privileges wrongly. A guide to the pattern, real CVEs, and a fix list.
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