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Summarized by [geek challenge 2019]RCE ME disable_functions bypass source code <?php error_reporting(0); if(isset($_GET['code'])){ $code=$_GET['code']; if(strlen($code)>40){ die("This is too Long."); } if(preg_match("/[A-Za-z0-9]+/",$code)){ die("NO."); } @eval($code); }else ...

Summary of Linux polkit rights raising As soon as I was about to take my annual leave, I received a regulatory vulnerability alert - "pkexec program in Linux Polkit has a privilege escalation vulnerability (vulnerability number: CVE-2021-4034). Pkexec application is a pre installed tool for Linux system, and the vulnerability affects main ...

background Last November, our team announced its dissolution, but due to the problem of privacy supervision, we have to maintain the last version to meet the requirements of privacy supervision. I am mainly responsible for the privacy issues of our team. Looking back on this year, I was really tossed about by various privacy issues, Fortun ...

To get more learning materials, join the community and further study, please scan my QR code or add memory2000427 to teach in good faith and take a detour. #File upload bypass There are two kinds: one is based on code restriction and the other is based on firewall. In fact, generally speaking, the two are similar. They both detect the legitima ...

Solemnly declare: This note is only prepared for the purpose of improving safety knowledge and sharing safety knowledge with more people. Do not use the technology in the note for illegal activities. The consequences caused by using the technology in the note have nothing to do with the author himself. We advocate that everyone is responsible f ...

🌕 Write in front 🍊 Blog home page: Scorpio_m7🎉 Welcome to pay attention 🔎 give the thumbs-up 👍 Collection ⭐ Leave a message 📝🌟 This article is written by Scorpio_m7 original, CSDN first!📆 Starting time: 🌹 January 28, 2022 🌹✉️ Persistence and hard work will surely bring poetry and distance!🙏 The author's level is very limited. If y ...

📒 Blog home page: Actor's blog 🎉 Welcome to pay attention 🔎 give the thumbs-up 👍 Collection ⭐ Leave a message 📝 ❤️ Look forward to communicating together! 🙏 The author's level is very limited. If you find an error, please let me know. Thank you! 🌺 If you have any questions, you can communicate by private letter!!! 🥦 OpenSSL pro ...

xdm! I'm back! Fight the undead cockroach, fight the undead Li Qiang Compliance baseline Host security compliance check This article contains 16 common safety compliance checks! Xiao Li said: Search and replace files Syntax: sed option's / search content / replace content / action 'file Where s: represents search/ Separator (can be cus ...

Environmental installation The old version of DC-3 was installed several times before, and nmap couldn't scan the machine. Later, I thought about it for a long time and couldn't find the problem. Then I went to the official website and downloaded it again Official website address: https://www.vulnhub.com/entry/dc-32,312/ Both KALI and ...

ssrf is a security vulnerability in which an attacker constructs a request and the server initiates the request. Generally, the target of ssrf attack is the internal system that cannot be accessed by the external network Principle of ssrf vulnerability SSRF is mostly formed because the server provides the function of obtaining data from other ...