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 x86 - Remote BSS buffer overflow 1% 778 75 Tosh 1 6 February 2012
pas_valide ELF x86 - Remote Format String bug 1% 1020 75 Tosh 2 6 February 2012
pas_valide ELF x86 - Format string bug basic 1 3% 10856 15 Lu33Y 7 8 February 2012
pas_valide ELF x86 - BSS buffer overflow 2% 4555 30 Lu33Y 7 8 February 2012
pas_valide ELF x86 - Stack buffer overflow basic 4 1% 3196 30 Lu33Y 5 8 February 2012
pas_valide ELF x86 - Stack buffer overflow basic 5 1% 2036 50 Lu33Y 1 8 February 2012
pas_valide ELF x86 - Stack buffer and integer overflow 1% 2152 50 Lu33Y 4 8 February 2012
pas_valide ELF x86 - Race condition 2% 6979 20 Lu33Y 10 8 February 2012
pas_valide ELF x86 - Hardened binary 1 1% 874 100 sm0k 3 11 February 2012
pas_valide ELF x86 - Hardened binary 2 1% 690 100 sm0k 3 11 February 2012
pas_valide ELF x86 - Hardened binary 3 1% 405 100 sm0k 1 11 February 2012
pas_valide ELF x86 - Hardened binary 4 1% 479 100 sm0k 2 11 February 2012
pas_valide ELF x86 - Hardened binary 5 1% 369 110 sm0k 1 11 February 2012
pas_valide ELF x86 - Hardened binary 6 1% 348 115 sm0k 3 11 February 2012
pas_valide ELF x86 - Hardened binary 7 1% 294 115 Tosh 3 21 January 2013
pas_valide ELF x86 - Stack buffer overflow basic 1 7% 25360 5 Lyes 11 25 March 2015
pas_valide ELF x86 - Format string bug basic 2 2% 5547 20 Lyes 5 8 April 2015
pas_valide ELF x86 - Stack buffer overflow basic 2 5% 17408 10 Lyes 10 10 April 2015
pas_valide ELF x86 - Stack buffer overflow basic 3 2% 5675 25 Lyes 5 10 April 2015
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 1015 60 Arod 2 20 May 2015
pas_valide ELF x86 - Format String Bug Basic 3 1% 1506 35 Lyes 2 27 May 2015
pas_valide ELF x64 - Stack buffer overflow - basic 3% 8437 20 Arod 7 31 May 2015
pas_valide ELF x64 - Stack buffer overflow - advanced 1% 1648 55 Arod 4 5 June 2015
pas_valide ELF x86 - Blind remote format string bug 1% 352 80 Lyes 2 8 June 2015
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 322 90