ELF x86 - Race condition

20 Points  0x0

Are you fast enough ?

Author

Lu33Y,  

Level  Difficulty

Validations

6969 Challengers 2%

Note  Notation

1
2
3
4
5
298 Votes

To reach this part of the site please login

solutions 10 Solutions

Display solutions Submit a solution

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Serge App - System  ELF x86 - Race condition en 24 May 2025 at 09:14
Shrek App - System  ELF x86 - Race condition en 24 May 2025 at 09:07
Monster App - Système  ELF x86 - Race condition fr 23 May 2025 at 15:39
Ugo App - System  ELF x86 - Race condition en 23 May 2025 at 10:59
bylal App - Système  ELF x86 - Race condition fr 19 May 2025 at 08:30
BravoPoulet App - Système  ELF x86 - Race condition fr 18 May 2025 at 19:54
Omikrone App - Système  ELF x86 - Race condition fr 17 May 2025 at 18:43
matteobezet__ App - System  ELF x86 - Race condition en 17 May 2025 at 18:08
pur1rin App - Système  ELF x86 - Race condition fr 15 May 2025 at 19:45
Talace App - Système  ELF x86 - Race condition fr 15 May 2025 at 16:33

challenges 93 Challenges

Results Name ↓↑ Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide ELF ARM - Alphanumeric shellcode 1% 57 100 pickle 2 16 March 2017
pas_valide ELF ARM - Basic ROP 1% 937 40 pickle 6 11 March 2017
pas_valide ELF ARM - Format String bug 1% 110 110 pickle 2 14 March 2017
pas_valide ELF ARM - Heap Off-by-One 1% 82 115 pickle 1 11 March 2017
pas_valide ELF ARM - Heap Overflow 1% 68 120 pickle 1 2 April 2017
pas_valide ELF ARM - Heap buffer overflow - Wilderness 1% 48 120 pickle 1 25 March 2017
pas_valide ELF ARM - Heap format string bug 1% 100 105 franb 1 3 June 2017
pas_valide ELF ARM - Race condition 1% 179 70 pickle 1 3 June 2017
pas_valide ELF ARM - Stack Spraying 1% 313 30 pickle 4 2 April 2017
pas_valide ELF ARM - Stack buffer overflow - basic 1% 1529 25 pickle 7 9 March 2017
pas_valide ELF ARM - Use After Free 1% 121 110 pickle 0 22 March 2017
pas_valide ELF ARM64 - Heap Underflow 1% 33 120 nobodyisnobody 0 13 February 2023
pas_valide ELF ARM64 - Multithreading 1% 25 140 franb 0 13 February 2023
pas_valide ELF MIPS - Basic ROP 1% 206 40 dagger 1 7 October 2018
pas_valide ELF MIPS - Format String Glitch 1% 102 60 pickle , martin 1 21 October 2018
pas_valide ELF MIPS - Stack buffer overflow - No NX 1% 613 25 franb 2 28 September 2018
pas_valide ELF MIPS - URLEncoded Format String bug 1% 46 100 pickle 0 7 October 2018
pas_valide ELF RISC-V - Intro - let’s do the ROP 1% 95 40 nobodyisnobody 1 13 February 2023
pas_valide ELF x64 - Advanced Heap Exploitation - Heap Leakless & Fortified 1% 63 135 nobodyisnobody 1 27 May 2021
pas_valide ELF x64 - Advanced blind format string exploitation 1% 17 115 nobodyisnobody 0 11 July 2024
pas_valide ELF x64 - Basic heap overflow 1% 2374 10 sourcePerrier 1 13 February 2023
pas_valide ELF x64 - Blind ROP 1% 127 135 franb 1 10 March 2018
pas_valide ELF x64 - Blind SROP 1% 31 100 s1m 0 28 December 2023
pas_valide ELF x64 - Browser exploit - BitString 1% 40 135 pickle 0 15 December 2018
pas_valide ELF x64 - Browser exploit - Intro 1% 118 70 pickle 1 2 November 2018
pas_valide ELF x64 - Buggy VM 1% 91 70 NonStandardModel 0 10 June 2022
pas_valide ELF x64 - Double free 1% 1298 25 Esad 2 23 March 2021
pas_valide ELF x64 - FILE structure hijacking 1% 74 110 voydstack 3 27 May 2021
pas_valide ELF x64 - File Structure Hacking 1% 128 65 nobodyisnobody 0 27 May 2021
pas_valide ELF x64 - Heap Filling 1% 136 60 voydstack 0 27 May 2021
pas_valide ELF x64 - Heap Hop 1% 11 100 nobodyisnobody 0 11 July 2024
pas_valide ELF x64 - Heap Safe-Linking Bypass 1% 106 70 nobodyisnobody 1 22 October 2021
pas_valide ELF x64 - Heap feng-shui 1% 99 110 laxa 2 4 August 2017
pas_valide ELF x64 - Logic bug 1% 265 50 sbrk 3 8 July 2017
pas_valide ELF x64 - Off-by-one bug 1% 168 110 NeedToLearn 3 19 May 2016
pas_valide ELF x64 - Remote Heap buffer overflow 1 1% 201 115 Tosh 3 26 June 2015
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 155 130 Tosh , Fritz 1 1 July 2015
pas_valide ELF x64 - Remote heap buffer overflow - tcache 1% 333 80 franb 1 5 February 2017
pas_valide ELF x64 - Seccomp Whitelist 1% 103 120 pickle 0 3 June 2017
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 321 90 Arod 4 25 June 2015
pas_valide ELF x64 - Stack buffer overflow - PIE 1% 1384 30 HomardBoy 3 26 March 2021
pas_valide ELF x64 - Stack buffer overflow - Stack pivot 1% 193 40 spikeroot 0 11 July 2024
pas_valide ELF x64 - Stack buffer overflow - advanced 1% 1641 55 Arod 4 5 June 2015
pas_valide ELF x64 - Stack buffer overflow - basic 3% 8427 20 Arod 7 31 May 2015
pas_valide ELF x64 - Syscall chaining 1% 39 95 Njörd 1 11 July 2024
pas_valide ELF x64 - ret2dl_init 1% 66 70 kikko 0 27 May 2021
pas_valide ELF x86 - BSS buffer overflow 2% 4550 30 Lu33Y 7 8 February 2012
pas_valide ELF x86 - Blind ROP 1% 165 120 franb 0 9 October 2016
pas_valide ELF x86 - Blind remote format string bug 1% 352 80 Lyes 2 8 June 2015
pas_valide ELF x86 - Bug Hunting - Several issues 1% 152 50 sbrk 3 19 January 2018
pas_valide ELF x86 - Format String Bug Basic 3 1% 1503 35 Lyes 2 27 May 2015
pas_valide ELF x86 - Format string bug basic 1 3% 10838 15 Lu33Y 7 8 February 2012
pas_valide ELF x86 - Format string bug basic 2 2% 5538 20 Lyes 5 8 April 2015
pas_valide ELF x86 - Hardened binary 1 1% 871 100 sm0k 3 11 February 2012
pas_valide ELF x86 - Hardened binary 2 1% 688 100 sm0k 3 11 February 2012
pas_valide ELF x86 - Hardened binary 3 1% 403 100 sm0k 1 11 February 2012
pas_valide ELF x86 - Hardened binary 4 1% 478 100 sm0k 2 11 February 2012
pas_valide ELF x86 - Hardened binary 5 1% 366 110 sm0k 1 11 February 2012
pas_valide ELF x86 - Hardened binary 6 1% 346 115 sm0k 3 11 February 2012
pas_valide ELF x86 - Hardened binary 7 1% 294 115 Tosh 3 21 January 2013
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 1011 60 Arod 2 20 May 2015
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 149 70 sbrk 3 17 September 2017
pas_valide ELF x86 - Race condition 2% 6969 20 Lu33Y 10 8 February 2012
pas_valide ELF x86 - Remote BSS buffer overflow 1% 777 75 Tosh 1 6 February 2012
pas_valide ELF x86 - Remote Format String bug 1% 1019 75 Tosh 2 6 February 2012
pas_valide ELF x86 - Remote stack buffer overflow - Hardened 1% 213 115 franb 1 17 August 2016
pas_valide ELF x86 - Stack buffer and integer overflow 1% 2144 50 Lu33Y 4 8 February 2012
pas_valide ELF x86 - Stack buffer overflow - C++ vtables 1% 1063 40 sebbb 2 20 July 2015
pas_valide ELF x86 - Stack buffer overflow - ret2dl_resolve 1% 472 50 kikko 4 28 February 2019
pas_valide ELF x86 - Stack buffer overflow basic 1 7% 25307 5 Lyes 11 25 March 2015
pas_valide ELF x86 - Stack buffer overflow basic 2 5% 17382 10 Lyes 10 10 April 2015
pas_valide ELF x86 - Stack buffer overflow basic 3 2% 5663 25 Lyes 5 10 April 2015
pas_valide ELF x86 - Stack buffer overflow basic 4 1% 3187 30 Lu33Y 5 8 February 2012
pas_valide ELF x86 - Stack buffer overflow basic 5 1% 2033 50 Lu33Y 1 8 February 2012
pas_valide ELF x86 - Stack buffer overflow basic 6 1% 3409 30 TiWim 5 10 March 2016
pas_valide ELF x86 - Use After Free - basic 1% 2256 25 Esad 3 26 May 2019
pas_valide LinKern ARM - Stack Overflow 1% 83 110 pickle 0 24 July 2017
pas_valide LinKern ARM - vulnerable syscall 1% 194 85 pickle 0 22 March 2017
pas_valide LinKern MIPSel - Vulnerable ioctl 1% 81 100 pickle 0 23 October 2018
pas_valide LinKern x64 - Memory exploration 1% 159 120 franb 2 27 July 2016
pas_valide LinKern x64 - Race condition 1% 386 95 franb 3 16 February 2016
pas_valide LinKern x64 - RowHammer 1% 121 115 pickle 2 17 March 2019
pas_valide LinKern x64 - SLUB off-by-one 1% 106 115 Tosh 2 9 May 2019
pas_valide LinKern x64 - reentrant code 1% 213 100 franb 2 1 March 2016
pas_valide LinKern x86 - Buffer overflow basic 1 1% 603 85 franb 3 16 February 2016
pas_valide LinKern x86 - Null pointer dereference 1% 567 90 franb 1 16 February 2016
pas_valide LinKern x86 - basic ROP 1% 326 110 franb 3 6 May 2016
pas_valide PE32 - Advanced stack buffer overflow 1% 277 35 Ech0 4 3 December 2019
pas_valide PE32 - Stack buffer overflow basic 1% 2580 10 Ech0 8 3 December 2019
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 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