App - System App - System

These challenges will help you understand applicative vulnerabilities.

Login credentials are provided for different challenge, the goal is to obtain additional rights by exploiting program’s weaknesses and get a password to validate challs on the portal.

Prerequisite:
 GDB.
 Knowledges in ASM.
 Knowledges in C language.

challenges 93 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide ELF MIPS - Format String Glitch 1% 102 60 pickle , martin 1 21 October 2018
pas_valide WinKern x64 - Advanced stack buffer overflow - ROP 1% 51 120 __syscall , Synacktiv 1 27 January 2020
pas_valide WinKern x64 - Use After Free 1% 37 120 __syscall , Synacktiv 0 27 January 2020
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 157 130 Tosh , Fritz 1 1 July 2015
pas_valide ELF x64 - Stack buffer overflow - Stack pivot 1% 201 40 spikeroot 0 11 July 2024
pas_valide ELF x64 - Syscall chaining 1% 40 95 Njörd 1 11 July 2024
pas_valide ELF x64 - File Structure Hacking 1% 129 65 nobodyisnobody 0 27 May 2021
pas_valide ELF x64 - Heap Safe-Linking Bypass 1% 108 70 nobodyisnobody 1 22 October 2021
pas_valide ELF RISC-V - Intro - let’s do the ROP 1% 95 40 nobodyisnobody 1 13 February 2023
pas_valide ELF ARM64 - Heap Underflow 1% 36 120 nobodyisnobody 0 13 February 2023
pas_valide ELF x64 - Advanced blind format string exploitation 1% 18 115 nobodyisnobody 0 11 July 2024
pas_valide ELF x64 - Advanced Heap Exploitation - Heap Leakless & Fortified 1% 66 135 nobodyisnobody 1 27 May 2021
pas_valide ELF x64 - Heap Hop 1% 12 100 nobodyisnobody 0 11 July 2024
pas_valide ELF x64 - FILE structure hijacking 1% 76 110 voydstack 3 27 May 2021
pas_valide ELF x64 - Heap Filling 1% 137 60 voydstack 0 27 May 2021
pas_valide ELF x64 - Buggy VM 1% 92 70 NonStandardModel 0 10 June 2022
pas_valide ELF x64 - Blind SROP 1% 31 100 s1m 0 28 December 2023
pas_valide ELF x64 - Stack buffer overflow - PIE 1% 1392 30 HomardBoy 3 26 March 2021
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 149 70 sbrk 3 17 September 2017
pas_valide ELF x64 - Logic bug 1% 265 50 sbrk 3 8 July 2017
pas_valide ELF x86 - Bug Hunting - Several issues 1% 152 50 sbrk 3 19 January 2018
pas_valide PE32 - Stack buffer overflow basic 1% 2588 10 Ech0 8 3 December 2019
pas_valide PE32+ Format string bug 1% 117 45 Ech0 1 3 December 2019
pas_valide PE32+ Basic ROP 1% 81 75 Ech0 0 6 December 2019
pas_valide