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sudo

#sudo·2 followers·41 articles

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Abdulrahman Ahmad

Abdulrahman Ahmad

abdulrahmanalpha.hashnode.dev·Aug 12, 2025

Aug 12, 2025

Linux Phase 3: Permissions & Ownership

🎯 Target Audience: Beginners in DevOps & DevSecOps 🧠 Key Concepts: chmod, chown, sudo, file permissions, principle of least privilege ⏱️ Estimated Read Time: 7-9 minutes 💡 Outcome: Understand how to manage permissions & ownership for secure aut...

Linux Phase 3: Permissions & Ownership

Discuss·8 reads

pwn8

pwn8.xyz·Aug 10, 2025

Aug 10, 2025

An Analysis of CVE-2025-32463 : Sudo Chroot Bug

ปลายเดือนที่แล้ว sudo ได้ทำการ patch ช่องโหว่ที่สามารถทำ Privilege Escalation ได้ได้บนค่าเริ่มต้นของระบบเลย น่าสนใจตรงที่ไม่ต้องมีพื้นฐาน memory corruption ขั้นสูงก็เข้าใจและลองทำ POC ได้ เลยคิดว่าอยากเอามาลองทำ Vulnerability Analysis ดูครับ ผมชอบ su...

An Analysis of CVE-2025-32463 : Sudo Chroot Bug

Discuss·1 like·383 reads

Jebitok

jebitok.hashnode.dev·Jul 15, 2025

Jul 15, 2025

Challenges: Lian_Yu (TryHackMe)

Welcome to Lian_YU, a beginner-friendly CTF box with an Arrowverse theme. While the storyline and references might feel familiar to fans of the Arrow series, prior knowledge isn't required to complete the challenge. The goal is simple: enumerate thor...

Challenges: Lian_Yu (TryHackMe)

Discuss·7 reads

Jebitok

jebitok.hashnode.dev·Jul 07, 2025

Jul 07, 2025

Challenges: Brooklyn Nine Nine (TryHackMe)

Welcome to Brooklyn Nine Nine, a beginner-friendly Linux CTF challenge hosted on TryHackMe. This machine focuses on basic enumeration, initial access via commonly exposed services, and privilege escalation using a well-known sudo misconfiguration. Wh...

Challenges: Brooklyn Nine Nine (TryHackMe)

Discuss·7 reads

Anirudh Gupta

anirudhg07.hashnode.dev·Jun 27, 2025

Jun 27, 2025

Working without Sudo in Unix Terminal

Many times when we are connecting to a remote server via ssh, or using a Linux machine without sudo access i.e. you are not root, it is just painful that you cannot install packages which make your terminal workflow easier.Yes, I am talking about JUS...

Working without Sudo in Unix Terminal

Discuss·16 reads

Jebitok

jebitok.hashnode.dev·Jun 24, 2025

Jun 24, 2025

Challenges: Agent Sudo (TryHackMe)

Welcome to my walkthrough of the Agent Sudo room on TryHackMe — a CTF that tests your ability to pivot through enumeration, hash cracking, steganography, and privilege escalation. This challenge blends web recon, curiosity-driven digging, and a touch...

Challenges: Agent Sudo (TryHackMe)

Discuss·7 reads

Shaharyar Shakir

Shaharyar Shakir

shakirdevops.hashnode.dev·Jun 20, 2025

Jun 20, 2025

Day 12 – Managing sudo Access for Users

🛡️ On Day 12, I learned how to manage sudo privileges for users on a Linux system using visudo and the /etc/sudoers.d/ directory. This is critical for maintaining secure, minimal-privilege administration in DevOps. 🧪 Hands-On Activities 🔍 Step 1: ...

Day 12 – Managing sudo Access for Users

Discuss·1 read

DevOps overview as a beginner

Godswill Nathaniel

Godswill Nathaniel

maziidev.hashnode.dev·Jun 13, 2025

Jun 13, 2025

Rust-Powered sudo: Ubuntu 25.10's Leap in Linux Security

Alright, tech enthusiasts and digital denizens, gather 'round! We've got some news bubbling up from the Ubuntu camp that's more than just your average software update. It's a delightful blend of innovation, security, and perhaps a byte of a surprise:...

Rust-Powered sudo: Ubuntu 25.10's Leap in Linux Security

Discuss·2 likes·20 reads

Lưu Tuấn Anh

Lưu Tuấn Anh

blog.fiscybersec.com·Jun 06, 2025

Jun 06, 2025

The way the attacker has escalated the privilege to root through taking advantage of the Sudo IPTables

Overview As you may know, in many Linux systems, administrators often configure sudo to grant users the ability to run specific commands without a password. One common tool given such permission is iptables, used to configure the firewall. But what h...

The way the attacker has escalated the privilege to root through taking advantage of the Sudo IPTables

Discuss·6 reads

Newsletters-eng

Lưu Tuấn Anh

Lưu Tuấn Anh

blog.fiscybersec.com·Jun 06, 2025

Jun 06, 2025

Cách mà kẻ tấn công đã leo thang đặc quyền lên root thông qua việc lợi dụng lệnh sudo iptables

Tổng quan Có thể bạn cũng biết, trong nhiều hệ thống Linux, quản trị viên thường cấu hình sudo để cấp cho người dùng quyền chạy một số lệnh cụ thể mà không cần mật khẩu. Một trong những công cụ phổ biến được cấp quyền như vậy là iptables, dùng để cấu...

Cách mà kẻ tấn công đã leo thang đặc quyền lên root thông qua việc lợi dụng lệnh sudo iptables

Discuss·18 reads