Unserialize without unserialize()

This problem occurs when user input is passed directly to unserialize() function. We will learn how to invoke deserialization without using unserialize() function.

May 3, 2023 ยท 13 min

[TCP1PCTF 2023] Unsecure

TCP1PCTF was organized by Indonesian and it was opened to anyone. The challenge is solely focus on exploiting deserialization vulnerability and how to chain the gadget to get code execution.

October 17, 2023 ยท 4 min

[TCP1PCTF 2023] PDFIFY

TCP1PCTF was organized by Indonesian and it was opened to anyone. For this challenge specifically, it was really good. I do need to read the source code as well as chaining multiple vulnerabilities such as SQL Injection, SSRF and Insecure Deserialization to get RCE.

October 17, 2023 ยท 12 min