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 x64 - Advanced blind format string exploitation 1% 14 115 nobodyisnobody 0 11 July 2024
pas_valide ELF x64 - Heap Hop 1% 9 100 nobodyisnobody 0 11 July 2024
pas_valide ELF x64 - Syscall chaining 1% 32 95 Njörd 1 11 July 2024
pas_valide ELF x64 - Stack buffer overflow - Stack pivot 1% 146 40 spikeroot 0 11 July 2024
pas_valide ELF x64 - Blind SROP 1% 27 100 s1m 0 28 December 2023
pas_valide ELF ARM64 - Heap Underflow 1% 32 120 nobodyisnobody 0 13 February 2023
pas_valide ELF ARM64 - Multithreading 1% 21 140 franb 0 13 February 2023
pas_valide ELF RISC-V - Intro - let’s do the ROP 1% 90 40 nobodyisnobody 1 13 February 2023
pas_valide ELF x64 - Basic heap overflow 1% 2068 10 sourcePerrier 1 13 February 2023
pas_valide ELF x64 - Buggy VM 1% 85 70 NonStandardModel 0 10 June 2022
pas_valide ELF x64 - Heap Safe-Linking Bypass 1% 95 70 nobodyisnobody 1 22 October 2021
pas_valide ELF x64 - Advanced Heap Exploitation - Heap Leakless & Fortified 1% 62 135 nobodyisnobody 1 27 May 2021
pas_valide ELF x64 - Heap Filling 1% 124 60 voydstack 0 27 May 2021
pas_valide ELF x64 - File Structure Hacking 1% 119 65 nobodyisnobody 0 27 May 2021
pas_valide ELF x64 - FILE structure hijacking 1% 71 110 voydstack 3 27 May 2021
pas_valide ELF x64 - ret2dl_init 1% 62 70 kikko 0 27 May 2021
pas_valide ELF x64 - Stack buffer overflow - PIE 1% 1274 30 HomardBoy 3 26 March 2021
pas_valide ELF x64 - Double free 1% 1177 25 Esad 2 23 March 2021
pas_valide WinKern x64 - Use After Free 1% 34 120 __syscall , Synacktiv 0 27 January 2020
pas_valide WinKern x64 - Advanced stack buffer overflow - ROP 1% 46 120 __syscall , Synacktiv 1 27 January 2020
pas_valide PE32+ Basic ROP 1% 80 75 Ech0 0 6 December 2019
pas_valide PE32+ Format string bug 1% 117 45 Ech0 1 3 December 2019
pas_valide PE32 - Advanced stack buffer overflow 1% 270 35 Ech0 4 3 December 2019
pas_valide PE32 - Stack buffer overflow basic 1% 2445 10 Ech0 8 3 December 2019
pas_valide ELF x86 - Use After Free - basic 1%