🔎 Cybersecurity Challenge #6 – Spot the Vulnerability

This application fetches an image from a URL provided by the user. Sounds harmless, right? 👨‍💻

But allowing servers to request external resources based on user input can sometimes open the door to dangerous attacks.

Take a closer look at how the URL is validated and how the request is made.

⚠️ Is the validation strong enough?

Question: What security vulnerability exists in this code?

A) SQL Injection
B) Server-Side Request Forgery (SSRF)
C) External XML Entity (XXE)
D) URL Redirection

💬 Comment your answer and tell us which line reveals the vulnerability!

In the next post, I’ll reveal the correct answer and explain how attackers could exploit it in real-world environments.

#cybersecurity #infosec #ethicalhacking #websecurity #bugbounty #securecoding #CyberKid #securitychallenge #SSRF

SSRF Vulnerability and Detecting It With AI, Enter See-SURF!!
This vulnerability was an SSRF (Server Side Request Forgery) issue found in a web application. The application failed to validate external URL requests within specific APIs, allowing attackers to execute arbitrary HTTP/HTTPS requests to internal or external hosts. The researcher discovered the flaw by sending crafted URLs as API parameters, which were not properly restricted. By constructing a payload containing the Google DNS server (8.8.8.8), the researcher was able to perform SSRF and exfiltrate internal data using an AI-based tool called See-SURF. The system's trust in user-supplied URLs for API requests led to this issue. Real-world consequences include data leaks, lateral movement, and potential unauthorized access. To fix, implement proper input validation and sanitization on all external URL requests. Key lesson: Validate external URLs during API calls and be wary of SSRF attacks that can exploit internal resources. #BugBounty #Cybersecurity #WebSecurity #SSRF #InfoSec

https://medium.com/@in3tinct/ssrf-vulnerability-and-detecting-it-with-ai-enter-see-surf-f519b19c9d36?source=rss------bug_bounty-5

Как я написал Telegram-бота для SEO-аудита и не дал ему стать инструментом для атак

Рекомендация по КДПВ: Практический гайд по созданию Telegram-бота для автоматизированного анализа сайта: broken links, базовый security-check, отчёты. Минимум теории — максимум рабочего кода.

https://habr.com/ru/articles/996844/

#Telegram_бот #Python #SSRF #rate_limiting #Redis #SEO_аудит #БаденБаден #pyTelegramBotAPI #DNS_rebinding #битые_ссылки