LinKern x86 - Null pointer dereference

90 Points  

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Auteur

franb,  

Niveau  Difficulté

Validations

286 Challengeurs 1%

Note  Notation

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5
36 votes
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Solution 1 Solution

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Résultats des challenges Résultats des challenges

Pseudonyme Epreuve Langue Date
KaoRz   LinKern x86 - Null pointer dereference es 11 août 2019 à 19:54
DiaLluvioso   LinKern x86 - Null pointer dereference es 10 août 2019 à 18:49
matterbeam   LinKern x86 - Null pointer dereference en 7 août 2019 à 19:09
Nekröm   LinKern x86 - Null pointer dereference fr 5 août 2019 à 19:14
Martijn   LinKern x86 - Null pointer dereference en 4 août 2019 à 15:39
Matthieu   LinKern x86 - Null pointer dereference fr 31 juillet 2019 à 14:43
Loris   LinKern x86 - Null pointer dereference fr 29 juillet 2019 à 18:09
b4953801   LinKern x86 - Null pointer dereference en 25 juillet 2019 à 15:08
gottbow   LinKern x86 - Null pointer dereference en 13 juillet 2019 à 20:23
p0tr3c   LinKern x86 - Null pointer dereference en 4 juillet 2019 à 23:41

Challenges publiés dans cette rubrique 69 Challenges

Résultats Nom de l'épreuve Validations Nombre de points  Explications sur les scores Difficulté  Difficulté Auteur Note  Notation Solution
pas_valide ELF x86 - Stack buffer overflow basic 1 8% 11363 5 Lyes 9
pas_valide ELF x86 - Stack buffer overflow basic 2 6% 8450 10 Lyes 6
pas_valide ELF x86 - Format string bug basic 1 4% 5610 15 Lu33Y 7
pas_valide ELF x64 - Stack buffer overflow - basic 3% 4115 20 Arod 9
pas_valide ELF x86 - Format string bug basic 2 2% 2754 20 Lyes 6
pas_valide ELF x86 - Race condition 3% 3786 20 Lu33Y 11
pas_valide ELF ARM - Stack buffer overflow - basic 1% 678 25 pickle 5
pas_valide ELF MIPS - Stack buffer overflow - No NX 1% 169 25 franb 2
pas_valide ELF x86 - Stack buffer overflow basic 3 2% 2731 25 Lyes 5
pas_valide ELF x86 - Use After Free - basic 1% 254 25 Esad 1
pas_valide ELF ARM - Stack Spraying 1% 133 30 pickle 5
pas_valide ELF x86 - BSS buffer overflow 3% 2941 30 Lu33Y 7
pas_valide ELF x86 - Stack buffer overflow basic 4 2% 1960 30 Lu33Y 4
pas_valide ELF x86 - Stack buffer overflow basic 6 2% 1583 30 TiWim 6
pas_valide ELF x86 - Format String Bug Basic 3 1% 753 35 Lyes 6
pas_valide ELF ARM - Basic ROP 1% 323 40 pickle 4
pas_valide ELF MIPS - Basic ROP 1% 54 40 dagger 2
pas_valide ELF x86 - Stack buffer overflow - C++ vtables 1% 536 40 sebbb 6
pas_valide ELF x64 - Logic bug 1% 109 50 sbrk 4
pas_valide ELF x86 - Bug Hunting - Plusieurs problèmes 1% 54 50 sbrk 3
pas_valide ELF x86 - Stack buffer and integer overflow 1% 1441 50 Lu33Y 3
pas_valide ELF x86 - Stack buffer overflow - ret2dl_resolve 1% 72 50 kikko 2
pas_valide ELF x86 - Stack buffer overflow basic 5 1% 1321 50 Lu33Y 5
pas_valide ELF x64 - Stack buffer overflow - avancé 1% 741 55 Arod 9
pas_valide ELF MIPS - Format String Glitch 1% 24 60 pickle, martin 2
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 557 60 Arod 3
pas_valide ELF ARM - Race condition 1% 75 70 pickle 3
pas_valide ELF x64 - Browser exploit - Intro 1% 35 70 pickle 2
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 66 70 sbrk 4
pas_valide ELF x86 - Remote BSS buffer overflow 1% 623 75 Tosh 4
pas_valide ELF x86 - Remote Format String bug 1% 771 75 Tosh 4
pas_valide ELF x64 - Remote heap buffer overflow - fastbin 1% 168 80 franb 2
pas_valide ELF x86 - Blind remote format string bug 1% 205 80 Lyes 5
pas_valide LinKern ARM - syscall vulnérable 1% 72 85 pickle 3
pas_valide LinKern x86 - Buffer overflow basic 1 1% 276 85 franb 5
pas_valide LinKern x86 - Null pointer dereference 1% 286 90 franb 1
pas_valide LinKern x64 - Race condition 1% 181 95 franb 1
pas_valide ELF ARM - Shellcode alphanumérique 1% 22 100 pickle 1
pas_valide ELF MIPS - URLEncoded Format String bug 1% 9 100 pickle 1
pas_valide ELF x86 - Hardened binary 1 1% 506 100 sm0k 8
pas_valide ELF x86 - Hardened binary 2 1% 398 100 sm0k 9
pas_valide ELF x86 - Hardened binary 3 1% 250 100 sm0k 5
pas_valide ELF x86 - Hardened binary 4 1% 281 100 sm0k 9
pas_valide LinKern MIPSel - Vulnerable ioctl 1% 20 100 pickle 1
pas_valide LinKern x64 - code réentrant 1% 96 100 franb 1
pas_valide ELF ARM - Heap format string bug 1% 43 105 franb 1
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 169 105 Arod 4
pas_valide ELF ARM - Format String bug 1% 52 110 pickle 1
pas_valide ELF ARM - Use After Free 1% 48 110 pickle 1
pas_valide ELF x64 - Heap feng-shui 1% 37 110 laxa 1
pas_valide ELF x64 - Off-by-one bug 1% 84 110 NeedToLearn 3
pas_valide ELF x86 - Hardened binary 5 1% 210 110 sm0k 9
pas_valide LinKern ARM - Stack Overflow 1% 29 110 pickle 1
pas_valide LinKern x86 - basic ROP 1% 141 110 franb 5
pas_valide ELF ARM - Heap Off-by-One 1% 30 115 pickle 1
pas_valide ELF x64 - Remote Heap buffer overflow 1 1% 102 115 Tosh 3
pas_valide ELF x86 - Hardened binary 6 1% 197 115 sm0k 7
pas_valide ELF x86 - Hardened binary 7 1% 164 115 Tosh 6
pas_valide ELF x86 - Remote stack buffer overflow - Hardened 1% 92 115 franb 4
pas_valide LinKern x64 - RowHammer 1% 24 115 pickle 1
pas_valide LinKern x64 - SLUB off-by-one 1% 14 115 Tosh 0
pas_valide ELF ARM - Heap buffer overflow - Wilderness 1% 19 120 pickle 1
pas_valide ELF ARM - Heap Overflow 1% 22 120 pickle 1
pas_valide ELF x64 - Seccomp Whitelist 1% 34 120 pickle 1
pas_valide ELF x86 - Blind ROP 1% 61 120 franb 5
pas_valide Linkern x64 - Memory exploration 1% 62 120 franb 4
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 74 130 Tosh, Fritz 2
pas_valide ELF x64 - Blind ROP 1% 41 135 franb 1
pas_valide ELF x64 - Browser exploit - BitString 1% 15 135 pickle 3