LinKern x86 - Null pointer dereference

90 Points  0x0

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Auteur

franb,  

Niveau  Difficulté

Validations

352 Challengeurs 1%

Note  Notation

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41 votes

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 1 Solution

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Résultats des challenges Résultats des challenges

Pseudonyme Epreuve Langue Date
pr4gasm   LinKern x86 - Null pointer dereference 20 septembre 2020 à 14:39
bnz   LinKern x86 - Null pointer dereference 1er septembre 2020 à 04:31
awe   LinKern x86 - Null pointer dereference 29 août 2020 à 15:27
Bdenneu   LinKern x86 - Null pointer dereference 25 août 2020 à 18:45
Slowerzs   LinKern x86 - Null pointer dereference 24 août 2020 à 10:01
abrt   LinKern x86 - Null pointer dereference 13 août 2020 à 20:35
jofra   LinKern x86 - Null pointer dereference 11 août 2020 à 00:25
mandlebro   LinKern x86 - Null pointer dereference 10 août 2020 à 17:24
arthemis   LinKern x86 - Null pointer dereference 9 août 2020 à 13:16
Kkameleon   LinKern x86 - Null pointer dereference 12 juillet 2020 à 11:21

 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% 14675 5 Lyes 9
pas_valide ELF x86 - Stack buffer overflow basic 2 6% 10533 10 Lyes 6
pas_valide PE32 - Stack buffer overflow basic 1% 579 10 Ech0 6
pas_valide ELF x86 - Format string bug basic 1 4% 6863 15 Lu33Y 7
pas_valide ELF x64 - Stack buffer overflow - basic 3% 5197 20 Arod 9
pas_valide ELF x86 - Format string bug basic 2 2% 3430 20 Lyes 7
pas_valide ELF x86 - Race condition 3% 4688 20 Lu33Y 11
pas_valide ELF ARM - Stack buffer overflow - basic 1% 951 25 pickle 5
pas_valide ELF MIPS - Stack buffer overflow - No NX 1% 300 25 franb 4
pas_valide ELF x86 - Stack buffer overflow basic 3 2% 3425 25 Lyes 5
pas_valide ELF x86 - Use After Free - basic 1% 879 25 Esad 2
pas_valide ELF ARM - Stack Spraying 1% 167 30 pickle 5
pas_valide ELF x86 - BSS buffer overflow 2% 3319 30 Lu33Y 7
pas_valide ELF x86 - Stack buffer overflow basic 4 2% 2191 30 Lu33Y 4
pas_valide ELF x86 - Stack buffer overflow basic 6 2% 1996 30 TiWim 6
pas_valide ELF x86 - Format String Bug Basic 3 1% 902 35 Lyes 8
pas_valide PE32 - Stack buffer overflow avancé 1% 105 35 Ech0 5
pas_valide ELF ARM - Basic ROP 1% 479 40 pickle 4
pas_valide ELF MIPS - Basic ROP 1% 86 40 dagger 3
pas_valide ELF x86 - Stack buffer overflow - C++ vtables 1% 647 40 sebbb 7
pas_valide PE32+ Format string bug 1% 48 45 Ech0 2
pas_valide ELF x64 - Logic bug 1% 141 50 sbrk 4
pas_valide ELF x86 - Bug Hunting - Plusieurs problèmes 1% 71 50 sbrk 4
pas_valide ELF x86 - Stack buffer and integer overflow 1% 1577 50 Lu33Y 4
pas_valide ELF x86 - Stack buffer overflow - ret2dl_resolve 1% 141 50 kikko 2
pas_valide ELF x86 - Stack buffer overflow basic 5 1% 1448 50 Lu33Y 5
pas_valide ELF x64 - Stack buffer overflow - avancé 1% 940 55 Arod 10
pas_valide ELF MIPS - Format String Glitch 1% 38 60 pickle, martin 3
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 681 60 Arod 3
pas_valide ELF ARM - Race condition 1% 97 70 pickle 4
pas_valide ELF x64 - Browser exploit - Intro 1% 55 70 pickle 3
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 83 70 sbrk 4
pas_valide ELF x86 - Remote BSS buffer overflow 1% 668 75 Tosh 4
pas_valide ELF x86 - Remote Format String bug 1% 829 75 Tosh 5
pas_valide PE32+ Basic ROP 1% 20 75 Ech0 2
pas_valide ELF x64 - Remote heap buffer overflow - fastbin 1% 213 80 franb 2
pas_valide ELF x86 - Blind remote format string bug 1% 238 80 Lyes 6
pas_valide LinKern ARM - syscall vulnérable 1% 101 85 pickle 4
pas_valide LinKern x86 - Buffer overflow basic 1 1% 352 85 franb 5
pas_valide LinKern x86 - Null pointer dereference 1% 352 90 franb 1
pas_valide LinKern x64 - Race condition 1% 218 95 franb 1
pas_valide ELF ARM - Shellcode alphanumérique 1% 33 100 pickle 3
pas_valide ELF MIPS - URLEncoded Format String bug 1% 19 100 pickle 3
pas_valide ELF x86 - Hardened binary 1 1% 588 100 sm0k 8
pas_valide ELF x86 - Hardened binary 2 1% 469 100 sm0k 9
pas_valide ELF x86 - Hardened binary 3 1% 291 100 sm0k 5
pas_valide ELF x86 - Hardened binary 4 1% 321 100 sm0k 10
pas_valide LinKern MIPSel - Vulnerable ioctl 1% 33 100 pickle 1
pas_valide LinKern x64 - code réentrant 1% 115 100 franb 1
pas_valide ELF ARM - Heap format string bug 1% 57 105 franb 2
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 195 105 Arod 6
pas_valide ELF ARM - Format String bug 1% 70 110 pickle 2
pas_valide ELF ARM - Use After Free 1% 70 110 pickle 1
pas_valide ELF x64 - Heap feng-shui 1% 52 110 laxa 2
pas_valide ELF x64 - Off-by-one bug 1% 102 110 NeedToLearn 3
pas_valide ELF x86 - Hardened binary 5 1% 247 110 sm0k 9
pas_valide LinKern ARM - Stack Overflow 1% 40 110 pickle 1
pas_valide LinKern x86 - basic ROP 1% 175 110 franb 5
pas_valide ELF ARM - Heap Off-by-One 1% 42 115 pickle 2
pas_valide ELF x64 - Remote Heap buffer overflow 1 1% 130 115 Tosh 3
pas_valide ELF x86 - Hardened binary 6 1% 230 115 sm0k 8
pas_valide ELF x86 - Hardened binary 7 1% 196 115 Tosh 7
pas_valide ELF x86 - Remote stack buffer overflow - Hardened 1% 118 115 franb 4
pas_valide LinKern x64 - RowHammer 1% 47 115 pickle 2
pas_valide LinKern x64 - SLUB off-by-one 1% 30 115 Tosh 0
pas_valide ELF ARM - Heap buffer overflow - Wilderness 1% 24 120 pickle 2
pas_valide ELF ARM - Heap Overflow 1% 28 120 pickle 1
pas_valide ELF x64 - Seccomp Whitelist 1% 39 120 pickle 2
pas_valide ELF x86 - Blind ROP 1% 94 120 franb 6
pas_valide Linkern x64 - Memory exploration 1% 76 120 franb 5
pas_valide WinKern x64 - Stack buffer overflow avancé - ROP 1% 9 120 __syscall, Synacktiv 2
pas_valide WinKern x64 - Use After Free 1% 6 120 __syscall, Synacktiv 1
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 96 130 Tosh, Fritz 2
pas_valide ELF x64 - Blind ROP 1% 64 135 franb 2
pas_valide ELF x64 - Browser exploit - BitString 1% 24 135 pickle 5