tag: Linux

ECW 2023: Centralized Memory (write-up)

7 Nov, 2023 by Maxime Turlure
Centralized Memory was a hard Linux pwn challenge created for the European Cyber Week CTF 2023 qualifiers. This write-up covers the intended method of exploitation through a race condition, an AES padding bug and a stack overflow.

kSMBd: a quick overview

12 May, 2023 by Arnaud Gatignol, Quentin Minster, Florent Saudel, Guillaume Teissier
In this blogpost, we introduce the analysis of one SMB implementation: kSMBd. It will be followed up by a talk at OffensiveCon 2023 named “Abusing Linux in-kernel SMB server to gain kernel remote code execution”.