ELF x86 - Stack buffer overflow basic 3

25 Points  

An intermediate level to familiarize yourself with stack overflows

Author

Lyes,  

Level  Difficulty

Validations

2085 Challengers 3%

Note  Notation

1
2
3
4
5
136 Votes
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Solution 2 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang date
Cryptanalyse   ELF x86 - Stack buffer overflow basic 3 en 13 August 2018 at 13:49
Phantom   ELF x86 - Stack buffer overflow basic 3 en 13 August 2018 at 04:57
Septisse13   ELF x86 - Stack buffer overflow basic 3 fr 12 August 2018 at 22:03
tony059   ELF x86 - Stack buffer overflow basic 3 fr 12 August 2018 at 21:23
m0eukh   ELF x86 - Stack buffer overflow basic 3 fr 12 August 2018 at 15:44
sploitem   ELF x86 - Stack buffer overflow basic 3 en 12 August 2018 at 15:05
greglan   ELF x86 - Stack buffer overflow basic 3 en 12 August 2018 at 14:19
Safflower   ELF x86 - Stack buffer overflow basic 3 en 11 August 2018 at 01:44
panasoniclam   ELF x86 - Stack buffer overflow basic 3 fr 10 August 2018 at 16:10
eunice   ELF x86 - Stack buffer overflow basic 3 en 10 August 2018 at 12:18

Challenges associated with this section 58 Challenges

Results Challenge's Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide ELF x86 - Stack buffer overflow basic 1 9% 8157 5 Lyes 11
pas_valide ELF x86 - Stack buffer overflow basic 2 7% 6289 10 Lyes 9
pas_valide ELF x86 - Format string bug basic 1 5% 4306 15 Lu33Y 4
pas_valide ELF x64 - Stack buffer overflow - basic 4% 3066 20 Arod 4
pas_valide ELF x86 - Format string bug basic 2 3% 2077 20 Lyes 5
pas_valide ELF x86 - Race condition 4% 3039 20 Lu33Y 8
pas_valide ELF ARM - Stack buffer overflow - basic 1% 369 25 pickle 5
pas_valide ELF x86 - Stack buffer overflow basic 3 3% 2085 25 Lyes 2
pas_valide ELF ARM - Stack Spraying 1% 83 30 pickle 3
pas_valide ELF x86 - BSS buffer overflow 3% 2506 30 Lu33Y 5
pas_valide ELF x86 - Stack buffer overflow basic 4 2% 1647 30 Lu33Y 4
pas_valide ELF x86 - Stack buffer overflow basic 6 2% 1144 30 TiWim 4
pas_valide ELF x86 - Format String Bug Basic 3 1% 574 35 Lyes 2
pas_valide ELF ARM - Basic ROP 1% 149 40 pickle 2
pas_valide ELF x86 - Stack buffer overflow - C++ vtables 1% 414 40 sebbb 2
pas_valide ELF x64 - Logic bug 1% 66 50 sbrk 1
pas_valide ELF x86 - Bug Hunting - Several issues 1% 31 50 sbrk 0
pas_valide ELF x86 - Stack buffer and integer overflow 2% 1271 50 Lu33Y 3
pas_valide ELF x86 - Stack buffer overflow basic 5 2% 1173 50 Lu33Y 1
pas_valide ELF x64 - Stack buffer overflow - advanced 1% 550 55 Arod 3
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 458 60 Arod 2
pas_valide ELF ARM - Race condition 1% 55 70 pickle 1
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 46 70 sbrk 1
pas_valide ELF x86 - Remote BSS buffer overflow 1% 571 75 Tosh 1
pas_valide ELF x86 - Remote Format String bug 1% 692 75 Tosh 2
pas_valide ELF x64 - Remote heap buffer overflow - fastbin 1% 113 80 franb 1
pas_valide ELF x86 - Blind remote format string bug 1% 171 80 Lyes 0
pas_valide LinKern ARM - vulnerable syscall 1% 48 85 pickle 0
pas_valide LinKern x86 - Buffer overflow basic 1 1% 211 85 franb 1
pas_valide LinKern x86 - Null pointer dereference 1% 214 90 franb 0
pas_valide LinKern x64 - Race condition 1% 145 95 franb 0
pas_valide ELF ARM - Alphanumeric shellcode 1% 17 100 pickle 2
pas_valide ELF x86 - Hardened binary 1 1% 426 100 sm0k 2
pas_valide ELF x86 - Hardened binary 2 1% 338 100 sm0k 2
pas_valide ELF x86 - Hardened binary 3 1% 216 100 sm0k 1
pas_valide ELF x86 - Hardened binary 4 1% 236 100 sm0k 2
pas_valide LinKern x64 - reentrant code 1% 81 100 franb 1
pas_valide ELF ARM - Heap format string bug 1% 32 105 franb 0
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 144 105 Arod 2
pas_valide LinKern x86 - basic ROP 1% 113 110 franb 1
pas_valide ELF ARM - Format String bug 1% 38 110 pickle 0
pas_valide ELF ARM - Use After Free 1% 35 110 pickle 0
pas_valide ELF x64 - Heap feng-shui 1% 28 110 laxa 1
pas_valide ELF x64 - Off-by-one bug 1% 67 110 NeedToLearn 0
pas_valide ELF x86 - Hardened binary 5 1% 170 110 sm0k 1
pas_valide LinKern ARM - Stack Overflow 1% 17 110 pickle 0
pas_valide ELF ARM - Heap Off-by-One 1% 26 115 pickle 1
pas_valide ELF x64 - Remote Heap buffer overflow 1 1% 82 115 Tosh 1
pas_valide ELF x86 - Hardened binary 6 1% 163 115 sm0k 1
pas_valide ELF x86 - Hardened binary 7 1% 133 115 Tosh 2
pas_valide ELF x86 - Remote stack buffer overflow - Hardened 1% 60 115 franb 1
pas_valide ELF ARM - Heap buffer overflow - Wilderness 1% 17 120 pickle 0
pas_valide ELF ARM - Heap Overflow 1% 18 120 pickle 0
pas_valide ELF x64 - Seccomp Whitelist 1% 22 120 pickle 0
pas_valide ELF x86 - Blind ROP 1% 39 120 franb 0
pas_valide Linkern x64 - Memory exploration 1% 47 120 franb 1
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 61 130 Tosh, Fritz 1
pas_valide ELF x64 - Blind ROP 1% 20 135 franb 1