LinKern x86 - Null pointer dereference

90 Points  

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Auteur

franb,  

Niveau  Difficulté

Validations

275 Challengeurs 1%

Note  Notation

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35 votes
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Solution 1 Solution

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Résultats des challenges Résultats des challenges

Pseudonyme Epreuve Langue Date
Laurent   LinKern x86 - Null pointer dereference fr 15 juin 2019 à 01:08
sm0k   LinKern x86 - Null pointer dereference fr 28 mai 2019 à 10:48
dvor4x   LinKern x86 - Null pointer dereference fr 28 mai 2019 à 00:06
circleous   LinKern x86 - Null pointer dereference en 25 mai 2019 à 20:19
nonstandardmodel   LinKern x86 - Null pointer dereference en 7 mai 2019 à 07:33
gwel   LinKern x86 - Null pointer dereference fr 5 mai 2019 à 13:12
pseudorandomname   LinKern x86 - Null pointer dereference en 4 mai 2019 à 21:44
nidzik42   LinKern x86 - Null pointer dereference fr 4 mai 2019 à 18:08
clempar   LinKern x86 - Null pointer dereference fr 1er mai 2019 à 01:43
4A6D73726E00   LinKern x86 - Null pointer dereference fr 19 avril 2019 à 15:38

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% 10957 5 Lyes 9
pas_valide ELF x86 - Stack buffer overflow basic 2 6% 8195 10 Lyes 6
pas_valide ELF x86 - Format string bug basic 1 4% 5453 15 Lu33Y 7
pas_valide ELF x64 - Stack buffer overflow - basic 3% 3952 20 Arod 9
pas_valide ELF x86 - Format string bug basic 2 2% 2674 20 Lyes 6
pas_valide ELF x86 - Race condition 3% 3666 20 Lu33Y 11
pas_valide ELF ARM - Stack buffer overflow - basic 1% 634 25 pickle 5
pas_valide ELF MIPS - Stack buffer overflow - No NX 1% 144 25 franb 2
pas_valide ELF x86 - Stack buffer overflow basic 3 2% 2640 25 Lyes 5
pas_valide ELF x86 - Use After Free - basic 1% 150 25 Esad 1
pas_valide ELF ARM - Stack Spraying 1% 125 30 pickle 5
pas_valide ELF x86 - BSS buffer overflow 3% 2906 30 Lu33Y 7
pas_valide ELF x86 - Stack buffer overflow basic 4 2% 1921 30 Lu33Y 4
pas_valide ELF x86 - Stack buffer overflow basic 6 2% 1538 30 TiWim 6
pas_valide ELF x86 - Format String Bug Basic 3 1% 730 35 Lyes 6
pas_valide ELF ARM - Basic ROP 1% 297 40 pickle 4
pas_valide ELF MIPS - Basic ROP 1% 48 40 dagger 2
pas_valide ELF x86 - Stack buffer overflow - C++ vtables 1% 519 40 sebbb 6
pas_valide ELF x64 - Logic bug 1% 101 50 sbrk 4
pas_valide ELF x86 - Bug Hunting - Plusieurs problèmes 1% 50 50 sbrk 3
pas_valide ELF x86 - Stack buffer and integer overflow 2% 1421 50 Lu33Y 3
pas_valide ELF x86 - Stack buffer overflow - ret2dl_resolve 1% 60 50 kikko 2
pas_valide ELF x86 - Stack buffer overflow basic 5 1% 1306 50 Lu33Y 5
pas_valide ELF x64 - Stack buffer overflow - avancé 1% 719 55 Arod 9
pas_valide ELF MIPS - Format String Glitch 1% 21 60 pickle, martin 2
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 542 60 Arod 3
pas_valide ELF ARM - Race condition 1% 71 70 pickle 3
pas_valide ELF x64 - Browser exploit - Intro 1% 31 70 pickle 2
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 62 70 sbrk 4
pas_valide ELF x86 - Remote BSS buffer overflow 1% 617 75 Tosh 4
pas_valide ELF x86 - Remote Format String bug 1% 761 75 Tosh 4
pas_valide ELF x64 - Remote heap buffer overflow - fastbin 1% 160 80 franb 2
pas_valide ELF x86 - Blind remote format string bug 1% 200 80 Lyes 5
pas_valide LinKern ARM - syscall vulnérable 1% 64 85 pickle 3
pas_valide LinKern x86 - Buffer overflow basic 1 1% 263 85 franb 4
pas_valide LinKern x86 - Null pointer dereference 1% 275 90 franb 1
pas_valide LinKern x64 - Race condition 1% 176 95 franb 1
pas_valide ELF ARM - Shellcode alphanumérique 1% 21 100 pickle 0
pas_valide ELF MIPS - URLEncoded Format String bug 1% 9 100 pickle 1
pas_valide ELF x86 - Hardened binary 1 1% 493 100 sm0k 8
pas_valide ELF x86 - Hardened binary 2 1% 390 100 sm0k 9
pas_valide ELF x86 - Hardened binary 3 1% 246 100 sm0k 5
pas_valide ELF x86 - Hardened binary 4 1% 277 100 sm0k 9
pas_valide LinKern MIPSel - Vulnerable ioctl 1% 16 100 pickle 1
pas_valide LinKern x64 - code réentrant 1% 93 100 franb 1
pas_valide ELF ARM - Heap format string bug 1% 41 105 franb 1
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 169 105 Arod 4
pas_valide ELF ARM - Format String bug 1% 49 110 pickle 1
pas_valide ELF ARM - Use After Free 1% 46 110 pickle 1
pas_valide ELF x64 - Heap feng-shui 1% 36 110 laxa 1
pas_valide ELF x64 - Off-by-one bug 1% 82 110 NeedToLearn 3
pas_valide ELF x86 - Hardened binary 5 1% 206 110 sm0k 9
pas_valide LinKern ARM - Stack Overflow 1% 27 110 pickle 1
pas_valide LinKern x86 - basic ROP 1% 138 110 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% 99 115 Tosh 3
pas_valide ELF x86 - Hardened binary 6 1% 195 115 sm0k 7
pas_valide ELF x86 - Hardened binary 7 1% 159 115 Tosh 6
pas_valide ELF x86 - Remote stack buffer overflow - Hardened 1% 85 115 franb 4
pas_valide LinKern x64 - RowHammer 1% 22 115 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% 33 120 pickle 1
pas_valide ELF x86 - Blind ROP 1% 61 120 franb 5
pas_valide Linkern x64 - Memory exploration 1% 61 120 franb 4
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 72 130 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