ACL in Active Directory: ACE types and control rights https://sudonull.com/acl-in-active-directory-ace-types-and-control-rights
Breakdown of 22 ACE types, ACCESS_MASK, extended rights and validated writes in AD. For middle/senior developers: inheritance, flags, bypassing checks. Study the security mechanics.
Samba, ZFS, VirtioFS: Setting up a file server with ACL and XATTR https://sudonull.com/samba-zfs-virtiofs-setting-up-a-file-server-with-acl-and-xattr
Detailed guide to integrating Samba with ZFS via VirtioFS on KVM, solving ACL and xattr issues for Windows-compatible access rights and shadow copies.
Joomla 6.0.4 Updates: Security Patches https://sudonull.com/joomla-6-0-4-updates-security-patches
Learn about fixes for SQL injections, XSS, and ACL in Joomla 6.0.4 and 5.4.4. Details of vulnerabilities, admin bugs, and update instructions for developers. Update now.
ZDI-CAN-30207 Vulnerability in Telegram: CVSS 9.8 analysis https://sudonull.com/zdi-can-30207-vulnerability-in-telegram-cvss-9-8-analysis
Breakdown of Telegram ZDI-CAN-30207 zero-day vulnerability: vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, RCE risks. CVSS assessment, implications for developers. Learn the details and protection measures right now.