LinKern x86 - Null pointer dereference

90 Points  0x0

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Auteur

franb,  

Niveau  Difficulté

Validations

367 Challengeurs 1%

Note  Notation

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43 votes

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 1 Solution

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Résultats des challenges Résultats des challenges

Pseudonyme Epreuve Langue Date
Noiche   LinKern x86 - Null pointer dereference 30 décembre 2020 à 18:51
0xUKN   LinKern x86 - Null pointer dereference 23 décembre 2020 à 03:33
DarkyZ   LinKern x86 - Null pointer dereference 23 décembre 2020 à 02:48
cyberknight   LinKern x86 - Null pointer dereference 21 décembre 2020 à 09:26
at0de   LinKern x86 - Null pointer dereference 10 décembre 2020 à 10:48
Yvan   LinKern x86 - Null pointer dereference 9 décembre 2020 à 21:44
Shiro   LinKern x86 - Null pointer dereference 7 décembre 2020 à 19:09
iHuggsy   LinKern x86 - Null pointer dereference 2 décembre 2020 à 12:04
sdx04   LinKern x86 - Null pointer dereference 20 novembre 2020 à 18:47
Tim   LinKern x86 - Null pointer dereference 18 novembre 2020 à 11:48

 75 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% 15454 5 Lyes 9
pas_valide ELF x86 - Stack buffer overflow basic 2 6% 11034 10 Lyes 7
pas_valide PE32 - Stack buffer overflow basic 1% 733 10 Ech0 7
pas_valide ELF x86 - Format string bug basic 1 4% 7134 15 Lu33Y 7
pas_valide ELF x64 - Stack buffer overflow - basic 3% 5469 20 Arod 9
pas_valide ELF x86 - Format string bug basic 2 2% 3588 20 Lyes 7
pas_valide ELF x86 - Race condition 3% 4865 20 Lu33Y 11
pas_valide ELF ARM - Stack buffer overflow - basic 1% 1019 25 pickle 6
pas_valide ELF MIPS - Stack buffer overflow - No NX 1% 322 25 franb 4
pas_valide ELF x86 - Stack buffer overflow basic 3 2% 3582 25 Lyes 5
pas_valide ELF x86 - Use After Free - basic 1% 1006 25 Esad 2
pas_valide ELF ARM - Stack Spraying 1% 178 30 pickle 5
pas_valide ELF x86 - BSS buffer overflow 2% 3434 30 Lu33Y 7
pas_valide ELF x86 - Stack buffer overflow basic 4 2% 2259 30 Lu33Y 4
pas_valide ELF x86 - Stack buffer overflow basic 6 2% 2096 30 TiWim 6
pas_valide ELF x86 - Format String Bug Basic 3 1% 942 35 Lyes 8
pas_valide PE32 - Stack buffer overflow avancé 1% 119 35 Ech0 5
pas_valide ELF ARM - Basic ROP 1% 520 40 pickle 4
pas_valide ELF MIPS - Basic ROP 1% 96 40 dagger 3
pas_valide ELF x86 - Stack buffer overflow - C++ vtables 1% 668 40 sebbb 7
pas_valide PE32+ Format string bug 1% 57 45 Ech0 2
pas_valide ELF x64 - Logic bug 1% 147 50 sbrk 5
pas_valide ELF x86 - Bug Hunting - Plusieurs problèmes 1% 77 50 sbrk 4
pas_valide ELF x86 - Stack buffer and integer overflow 1% 1623 50 Lu33Y 4
pas_valide ELF x86 - Stack buffer overflow - ret2dl_resolve 1% 160 50 kikko 2
pas_valide ELF x86 - Stack buffer overflow basic 5 1% 1482 50 Lu33Y 5
pas_valide ELF x64 - Stack buffer overflow - avancé 1% 986 55 Arod 10
pas_valide ELF MIPS - Format String Glitch 1% 42 60 pickle, martin 3
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 709 60 Arod 3
pas_valide ELF ARM - Race condition 1% 106 70 pickle 4
pas_valide ELF x64 - Browser exploit - Intro 1% 61 70 pickle 3
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 88 70 sbrk 4
pas_valide ELF x86 - Remote BSS buffer overflow 1% 684 75 Tosh 4
pas_valide ELF x86 - Remote Format String bug 1% 846 75 Tosh 5
pas_valide PE32+ Basic ROP 1% 30 75 Ech0 2
pas_valide ELF x64 - Remote heap buffer overflow - fastbin 1% 227 80 franb 3
pas_valide ELF x86 - Blind remote format string bug 1% 253 80 Lyes 6
pas_valide LinKern ARM - syscall vulnérable 1% 106 85 pickle 4
pas_valide LinKern x86 - Buffer overflow basic 1 1% 368 85 franb 5
pas_valide LinKern x86 - Null pointer dereference 1% 367 90 franb 1
pas_valide LinKern x64 - Race condition 1% 230 95 franb 1
pas_valide ELF ARM - Shellcode alphanumérique 1% 35 100 pickle 3
pas_valide ELF MIPS - URLEncoded Format String bug 1% 20 100 pickle 3
pas_valide ELF x86 - Hardened binary 1 1% 608 100 sm0k 8
pas_valide ELF x86 - Hardened binary 2 1% 484 100 sm0k 9
pas_valide ELF x86 - Hardened binary 3 1% 297 100 sm0k 5
pas_valide ELF x86 - Hardened binary 4 1% 334 100 sm0k 10
pas_valide LinKern MIPSel - Vulnerable ioctl 1% 35 100 pickle 1
pas_valide LinKern x64 - code réentrant 1% 126 100 franb 1
pas_valide ELF ARM - Heap format string bug 1% 65 105 franb 2
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 204 105 Arod 7
pas_valide ELF ARM - Format String bug 1% 75 110 pickle 2
pas_valide ELF ARM - Use After Free 1% 77 110 pickle 1
pas_valide ELF x64 - Heap feng-shui 1% 56 110 laxa 3
pas_valide ELF x64 - Off-by-one bug 1% 110 110 NeedToLearn 3
pas_valide ELF x86 - Hardened binary 5 1% 257 110 sm0k 9
pas_valide LinKern ARM - Stack Overflow 1% 43 110 pickle 1
pas_valide LinKern x86 - basic ROP 1% 187 110 franb 5
pas_valide ELF ARM - Heap Off-by-One 1% 49 115 pickle 2
pas_valide ELF x64 - Remote Heap buffer overflow 1 1% 138 115 Tosh 3
pas_valide ELF x86 - Hardened binary 6 1% 238 115 sm0k 8
pas_valide ELF x86 - Hardened binary 7 1% 201 115 Tosh 7
pas_valide ELF x86 - Remote stack buffer overflow - Hardened 1% 122 115 franb 4
pas_valide LinKern x64 - RowHammer 1% 51 115 pickle 3
pas_valide LinKern x64 - SLUB off-by-one 1% 34 115 Tosh 0
pas_valide ELF ARM - Heap buffer overflow - Wilderness 1% 29 120 pickle 2
pas_valide ELF ARM - Heap Overflow 1% 36 120 pickle 2
pas_valide ELF x64 - Seccomp Whitelist 1% 44 120 pickle 3
pas_valide ELF x86 - Blind ROP 1% 102 120 franb 6
pas_valide Linkern x64 - Memory exploration 1% 81 120 franb 6
pas_valide WinKern x64 - Stack buffer overflow avancé - ROP 1% 15 120 __syscall, Synacktiv 2
pas_valide WinKern x64 - Use After Free 1% 9 120 __syscall, Synacktiv 1
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 103 130 Tosh, Fritz 3
pas_valide ELF x64 - Blind ROP 1% 72 135 franb 2
pas_valide ELF x64 - Browser exploit - BitString 1% 24 135 pickle 5