LinKern x86 - Null pointer dereference

90 Points  0x0

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Auteur

franb,  

Niveau  Difficulté

Validations

311 Challengeurs 1%

Note  Notation

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38 votes

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 1 Solution

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Résultats des challenges Résultats des challenges

Pseudonyme Epreuve Langue Date
mayfly   LinKern x86 - Null pointer dereference 5 décembre 2019 à 18:13
palemoongod   LinKern x86 - Null pointer dereference 5 décembre 2019 à 13:34
nobodyisnobody   LinKern x86 - Null pointer dereference 3 décembre 2019 à 21:39
z22   LinKern x86 - Null pointer dereference 19 novembre 2019 à 08:07
t0mux   LinKern x86 - Null pointer dereference 15 novembre 2019 à 19:22
r1_   LinKern x86 - Null pointer dereference 12 novembre 2019 à 22:59
saltynoob0   LinKern x86 - Null pointer dereference 28 octobre 2019 à 19:37
us3r777   LinKern x86 - Null pointer dereference 25 octobre 2019 à 14:35
4m41u   LinKern x86 - Null pointer dereference 18 octobre 2019 à 15:07
Laika   LinKern x86 - Null pointer dereference 17 octobre 2019 à 18:16

 73 Challenges

Résultats Nom Validations Nombre de points  Explications sur les scores Difficulté  Difficulté Auteur Note  Notation Solution
pas_valide ELF x86 - Stack buffer overflow basic 1 8% 12476 5 Lyes 9
pas_valide ELF x86 - Stack buffer overflow basic 2 6% 9113 10 Lyes 6
pas_valide PE32 - Local stack buffer overflow basic 1% 66 10 Ech0 1
pas_valide ELF x86 - Format string bug basic 1 4% 6010 15 Lu33Y 7
pas_valide PE32 - Stack buffer overflow avancé 1% 1 15 Ech0 0
pas_valide ELF x64 - Stack buffer overflow - basic 3% 4503 20 Arod 9
pas_valide ELF x86 - Format string bug basic 2 2% 2972 20 Lyes 6
pas_valide ELF x86 - Race condition 3% 4065 20 Lu33Y 11
pas_valide ELF ARM - Stack buffer overflow - basic 1% 766 25 pickle 5
pas_valide ELF MIPS - Stack buffer overflow - No NX 1% 212 25 franb 4
pas_valide ELF x86 - Stack buffer overflow basic 3 2% 2949 25 Lyes 5
pas_valide ELF x86 - Use After Free - basic 1% 483 25 Esad 2
pas_valide PE32+ Egg Hunter 1% 1 25 Ech0 0
pas_valide ELF ARM - Stack Spraying 1% 141 30 pickle 5
pas_valide ELF x86 - BSS buffer overflow 2% 3057 30 Lu33Y 7
pas_valide ELF x86 - Stack buffer overflow basic 4 2% 2039 30 Lu33Y 4
pas_valide ELF x86 - Stack buffer overflow basic 6 2% 1706 30 TiWim 6
pas_valide ELF x86 - Format String Bug Basic 3 1% 800 35 Lyes 7
pas_valide ELF ARM - Basic ROP 1% 379 40 pickle 4
pas_valide ELF MIPS - Basic ROP 1% 65 40 dagger 3
pas_valide ELF x86 - Stack buffer overflow - C++ vtables 1% 572 40 sebbb 6
pas_valide ELF x64 - Logic bug 1% 121 50 sbrk 4
pas_valide ELF x86 - Bug Hunting - Plusieurs problèmes 1% 62 50 sbrk 3
pas_valide ELF x86 - Stack buffer and integer overflow 1% 1494 50 Lu33Y 3
pas_valide ELF x86 - Stack buffer overflow - ret2dl_resolve 1% 94 50 kikko 2
pas_valide ELF x86 - Stack buffer overflow basic 5 1% 1366 50 Lu33Y 5
pas_valide ELF x64 - Stack buffer overflow - avancé 1% 814 55 Arod 10
pas_valide ELF MIPS - Format String Glitch 1% 30 60 pickle, martin 2
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 598 60 Arod 3
pas_valide ELF ARM - Race condition 1% 80 70 pickle 3
pas_valide ELF x64 - Browser exploit - Intro 1% 42 70 pickle 2
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 69 70 sbrk 4
pas_valide ELF x86 - Remote BSS buffer overflow 1% 639 75 Tosh 4
pas_valide ELF x86 - Remote Format String bug 1% 790 75 Tosh 4
pas_valide PE32+ Basic ROP 1% 1 75 Ech0 0
pas_valide ELF x64 - Remote heap buffer overflow - fastbin 1% 177 80 franb 2
pas_valide ELF x86 - Blind remote format string bug 1% 216 80 Lyes 5
pas_valide LinKern ARM - syscall vulnérable 1% 77 85 pickle 3
pas_valide LinKern x86 - Buffer overflow basic 1 1% 298 85 franb 5
pas_valide LinKern x86 - Null pointer dereference 1% 311 90 franb 1
pas_valide LinKern x64 - Race condition 1% 191 95 franb 1
pas_valide ELF ARM - Shellcode alphanumérique 1% 23 100 pickle 1
pas_valide ELF MIPS - URLEncoded Format String bug 1% 14 100 pickle 1
pas_valide ELF x86 - Hardened binary 1 1% 536 100 sm0k 8
pas_valide ELF x86 - Hardened binary 2 1% 422 100 sm0k 9
pas_valide ELF x86 - Hardened binary 3 1% 266 100 sm0k 5
pas_valide ELF x86 - Hardened binary 4 1% 300 100 sm0k 10
pas_valide LinKern MIPSel - Vulnerable ioctl 1% 25 100 pickle 1
pas_valide LinKern x64 - code réentrant 1% 102 100 franb 1
pas_valide ELF ARM - Heap format string bug 1% 48 105 franb 2
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 175 105 Arod 5
pas_valide ELF ARM - Format String bug 1% 58 110 pickle 1
pas_valide ELF ARM - Use After Free 1% 54 110 pickle 1
pas_valide ELF x64 - Heap feng-shui 1% 40 110 laxa 1
pas_valide ELF x64 - Off-by-one bug 1% 89 110 NeedToLearn 3
pas_valide ELF x86 - Hardened binary 5 1% 223 110 sm0k 9
pas_valide LinKern ARM - Stack Overflow 1% 31 110 pickle 1
pas_valide LinKern x86 - basic ROP 1% 152 110 franb 5
pas_valide ELF ARM - Heap Off-by-One 1% 31 115 pickle 1
pas_valide ELF x64 - Remote Heap buffer overflow 1 1% 105 115 Tosh 3
pas_valide ELF x86 - Hardened binary 6 1% 209 115 sm0k 7
pas_valide ELF x86 - Hardened binary 7 1% 173 115 Tosh 6
pas_valide ELF x86 - Remote stack buffer overflow - Hardened 1% 101 115 franb 4
pas_valide LinKern x64 - RowHammer 1% 27 115 pickle 2
pas_valide LinKern x64 - SLUB off-by-one 1% 18 115 Tosh 0
pas_valide ELF ARM - Heap buffer overflow - Wilderness 1% 20 120 pickle 1
pas_valide ELF ARM - Heap Overflow 1% 23 120 pickle 1
pas_valide ELF x64 - Seccomp Whitelist 1% 34 120 pickle 1
pas_valide ELF x86 - Blind ROP 1% 74 120 franb 6
pas_valide Linkern x64 - Memory exploration 1% 67 120 franb 4
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 76 130 Tosh, Fritz 2
pas_valide ELF x64 - Blind ROP 1% 47 135 franb 1
pas_valide ELF x64 - Browser exploit - BitString 1% 16 135 pickle 3