ELF MIPS - URLEncoded Format String bug

100 Points  0x0

Sometimes security mitigation is just about annoying the attacker into submission

Author

pickle,  

Level  Difficulty

Validations

44 Challengers 1%

Note  Notation

1
2
3
4
5
18 Votes

To reach this part of the site please login

solutions  Solution

Submit a solution

Challenge Results Challenge Results

Pseudo Challenge Lang Date
M58 App - Système  ELF MIPS - URLEncoded Format String bug fr 28 March 2025 at 12:20
V0odOo App - Système  ELF MIPS - URLEncoded Format String bug fr 27 March 2025 at 22:54
sar App - Système  ELF MIPS - URLEncoded Format String bug fr 9 September 2024 at 15:56
Rishkov App - Système  ELF MIPS - URLEncoded Format String bug fr 20 August 2024 at 16:31
Dvorhack App - Système  ELF MIPS - URLEncoded Format String bug fr 9 August 2024 at 10:47
Kebche App - Système  ELF MIPS - URLEncoded Format String bug fr 14 May 2024 at 13:51
WhereIsYou App - Système  ELF MIPS - URLEncoded Format String bug fr 17 April 2024 at 14:09
dxdx App - Système  ELF MIPS - URLEncoded Format String bug fr 11 February 2024 at 18:28
nikost App - Système  ELF MIPS - URLEncoded Format String bug fr 8 February 2024 at 01:31
blackndoor App - Système  ELF MIPS - URLEncoded Format String bug fr 7 February 2024 at 14:56

challenges 93 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide ELF x86 - Stack buffer overflow basic 1 7% 24868 5 Lyes 11 25 March 2015
pas_valide ELF x64 - Basic heap overflow 1% 2177 10 sourcePerrier 1 13 February 2023
pas_valide ELF x86 - Stack buffer overflow basic 2 5% 17119 10 Lyes 10 10 April 2015
pas_valide PE32 - Stack buffer overflow basic 1% 2478 10 Ech0 8 3 December 2019
pas_valide ELF x86 - Format string bug basic 1 3% 10676 15 Lu33Y 6 8 February 2012
pas_valide ELF x64 - Stack buffer overflow - basic 3% 8250 20 Arod 7 31 May 2015
pas_valide ELF x86 - Format string bug basic 2 2% 5443 20 Lyes 5 8 April 2015
pas_valide ELF x86 - Race condition 2% 6837 20 Lu33Y 10 8 February 2012
pas_valide ELF ARM - Stack buffer overflow - basic 1% 1493 25 pickle 7 9 March 2017
pas_valide ELF MIPS - Stack buffer overflow - No NX 1% 594 25 franb 2 28 September 2018
pas_valide ELF x64 - Double free 1% 1207 25 Esad 2 23 March 2021
pas_valide ELF x86 - Stack buffer overflow basic 3 2% 5551 25 Lyes 5 10 April 2015
pas_valide ELF x86 - Use After Free - basic 1% 2170 25 Esad 3 26 May 2019
pas_valide ELF ARM - Stack Spraying 1% 309 30 pickle 4 2 April 2017
pas_valide ELF x64 - Stack buffer overflow - PIE 1% 1302 30 HomardBoy 3 26 March 2021
pas_valide ELF x86 - BSS buffer overflow 2% 4473 30 Lu33Y 7 8 February 2012
pas_valide ELF x86 - Stack buffer overflow basic 4 1% 3116 30 Lu33Y 5 8 February 2012
pas_valide ELF x86 - Stack buffer overflow basic 6 1% 3330 30 TiWim 5 10 March 2016
pas_valide ELF x86 - Format String Bug Basic 3 1% 1443 35 Lyes 2 27 May 2015
pas_valide PE32 - Advanced stack buffer overflow 1% 272 35 Ech0 4 3 December 2019
pas_valide ELF ARM - Basic ROP 1% 916 40 pickle 5 11 March 2017
pas_valide ELF MIPS - Basic ROP 1% 199 40 dagger 1 7 October 2018
pas_valide ELF RISC-V - Intro - let’s do the ROP 1% 93 40 nobodyisnobody 1 13 February 2023
pas_valide ELF x64 - Stack buffer overflow - Stack pivot 1% 160 40 spikeroot 0 11 July 2024
pas_valide ELF x86 - Stack buffer overflow - C++ vtables 1% 1015 40 sebbb 2 20 July 2015
pas_valide PE32+ Format string bug 1% 117 45 Ech0 1 3 December 2019
pas_valide ELF x64 - Logic bug 1% 261 50 sbrk 3 8 July 2017
pas_valide ELF x86 - Bug Hunting - Several issues 1% 145 50 sbrk 3 19 January 2018
pas_valide ELF x86 - Stack buffer and integer overflow 1% 2084 50 Lu33Y 4 8 February 2012
pas_valide ELF x86 - Stack buffer overflow - ret2dl_resolve 1% 445 50 kikko 4 28 February 2019
pas_valide ELF x86 - Stack buffer overflow basic 5 1% 1979 50 Lu33Y 1 8 February 2012
pas_valide ELF x64 - Stack buffer overflow - advanced 1% 1584 55 Arod 4 5 June 2015
pas_valide ELF MIPS - Format String Glitch 1% 98 60 pickle , martin 1 21 October 2018
pas_valide ELF x64 - Heap Filling 1% 128 60 voydstack 0 27 May 2021
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 968 60 Arod 2 20 May 2015
pas_valide ELF x64 - File Structure Hacking 1% 124 65 nobodyisnobody 0 27 May 2021
pas_valide ELF ARM - Race condition 1% 172 70 pickle 1 3 June 2017
pas_valide ELF x64 - Browser exploit - Intro 1% 114 70 pickle 1 2 November 2018
pas_valide ELF x64 - Buggy VM 1% 89 70 NonStandardModel 0 10 June 2022
pas_valide ELF x64 - Heap Safe-Linking Bypass 1% 99 70 nobodyisnobody 1 22 October 2021
pas_valide ELF x64 - ret2dl_init 1% 64 70 kikko 0 27 May 2021
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 147 70 sbrk 3 17 September 2017
pas_valide ELF x86 - Remote BSS buffer overflow 1% 770 75 Tosh 1 6 February 2012
pas_valide ELF x86 - Remote Format String bug 1% 1009 75 Tosh 2 6 February 2012
pas_valide PE32+ Basic ROP 1% 80 75 Ech0 0 6 December 2019
pas_valide ELF x64 - Remote heap buffer overflow - tcache 1% 325 80 franb 1 5 February 2017
pas_valide ELF x86 - Blind remote format string bug 1% 349 80 Lyes 2 8 June 2015
pas_valide LinKern ARM - vulnerable syscall 1% 185 85 pickle 0 22 March 2017
pas_valide LinKern x86 - Buffer overflow basic 1 1% 588 85 franb 3 16 February 2016
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 313 90 Arod 4 25 June 2015
pas_valide LinKern x86 - Null pointer dereference 1% 555 90 franb 1 16 February 2016
pas_valide ELF x64 - Syscall chaining 1% 34 95 Njörd 1 11 July 2024
pas_valide LinKern x64 - Race condition 1% 381 95 franb 3 16 February 2016
pas_valide ELF ARM - Alphanumeric shellcode 1% 54 100 pickle 2 16 March 2017
pas_valide ELF MIPS - URLEncoded Format String bug 1% 44 100 pickle 0 7 October 2018
pas_valide ELF x64 - Blind SROP 1% 29 100 s1m 0 28 December 2023
pas_valide ELF x64 - Heap Hop 1% 9 100 nobodyisnobody 0 11 July 2024
pas_valide ELF x86 - Hardened binary 1 1% 859 100 sm0k 3 11 February 2012
pas_valide ELF x86 - Hardened binary 2 1% 676 100 sm0k 3 11 February 2012
pas_valide ELF x86 - Hardened binary 3 1% 397 100 sm0k 1 11 February 2012
pas_valide ELF x86 - Hardened binary 4 1% 469 100 sm0k 2 11 February 2012
pas_valide LinKern MIPSel - Vulnerable ioctl 1% 77 100 pickle 0 23 October 2018
pas_valide LinKern x64 - reentrant code 1% 207 100 franb 2 1 March 2016
pas_valide ELF ARM - Heap format string bug 1% 97 105 franb 1 3 June 2017
pas_valide ELF ARM - Format String bug 1% 108 110 pickle 2 14 March 2017
pas_valide ELF ARM - Use After Free 1% 118 110 pickle 0 22 March 2017
pas_valide ELF x64 - FILE structure hijacking 1% 74 110 voydstack 3 27 May 2021
pas_valide ELF x64 - Heap feng-shui 1% 99 110 laxa 2 4 August 2017
pas_valide ELF x64 - Off-by-one bug 1% 163 110 NeedToLearn 3 19 May 2016
pas_valide ELF x86 - Hardened binary 5 1% 364 110 sm0k 1 11 February 2012
pas_valide LinKern ARM - Stack Overflow 1% 80 110 pickle 0 24 July 2017
pas_valide LinKern x86 - basic ROP 1% 317 110 franb 3 6 May 2016
pas_valide ELF ARM - Heap Off-by-One 1% 79 115 pickle 1 11 March 2017
pas_valide ELF x64 - Advanced blind format string exploitation 1% 14 115 nobodyisnobody 0 11 July 2024
pas_valide ELF x64 - Remote Heap buffer overflow 1 1% 197 115 Tosh 3 26 June 2015
pas_valide ELF x86 - Hardened binary 6 1% 342 115 sm0k 3 11 February 2012
pas_valide ELF x86 - Hardened binary 7 1% 288 115 Tosh 3 21 January 2013
pas_valide ELF x86 - Remote stack buffer overflow - Hardened 1% 208 115 franb 1 17 August 2016
pas_valide LinKern x64 - RowHammer 1% 114 115 pickle 2 17 March 2019
pas_valide LinKern x64 - SLUB off-by-one 1% 101 115 Tosh 2 9 May 2019
pas_valide ELF ARM - Heap buffer overflow - Wilderness 1% 48 120 pickle 1 25 March 2017
pas_valide ELF ARM - Heap Overflow 1% 65 120 pickle 1 2 April 2017
pas_valide ELF ARM64 - Heap Underflow 1% 33 120 nobodyisnobody 0 13 February 2023
pas_valide ELF x64 - Seccomp Whitelist 1% 101 120 pickle 0 3 June 2017
pas_valide ELF x86 - Blind ROP 1% 164 120 franb 0 9 October 2016
pas_valide LinKern x64 - Memory exploration 1% 153 120 franb 2 27 July 2016
pas_valide WinKern x64 - Advanced stack buffer overflow - ROP 1% 48 120 __syscall , Synacktiv 1 27 January 2020
pas_valide WinKern x64 - Use After Free 1% 34 120 __syscall , Synacktiv 0 27 January 2020
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 153 130 Tosh , Fritz 1 1 July 2015
pas_valide ELF x64 - Advanced Heap Exploitation - Heap Leakless & Fortified 1% 62 135 nobodyisnobody 1 27 May 2021
pas_valide ELF x64 - Blind ROP 1% 125 135 franb 1 10 March 2018
pas_valide ELF x64 - Browser exploit - BitString 1% 40 135 pickle 0 15 December 2018
pas_valide ELF ARM64 - Multithreading 1% 22 140 franb 0 13 February 2023