ELF x64 - Browser exploit - Intro

70 Points  

Hack mah browser!

Author

pickle,  

Level  Difficulty

Validations

27 Challengers 1%

Note  Notation

1
2
3
4
5
15 Votes
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Solution 1 Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang date
Sample2448   ELF x64 - Browser exploit - Intro en 21 March 2019 at 12:17
Alkanor   ELF x64 - Browser exploit - Intro fr 2 February 2019 at 15:59
govlog   ELF x64 - Browser exploit - Intro fr 31 January 2019 at 18:28
Phenol   ELF x64 - Browser exploit - Intro fr 27 January 2019 at 17:13
Redouane   ELF x64 - Browser exploit - Intro fr 22 January 2019 at 16:58
m_101   ELF x64 - Browser exploit - Intro fr 17 January 2019 at 21:34
J4ck   ELF x64 - Browser exploit - Intro fr 14 January 2019 at 23:18
Laurent   ELF x64 - Browser exploit - Intro fr 14 January 2019 at 22:26
Zeuhl   ELF x64 - Browser exploit - Intro en 6 January 2019 at 17:46
anon   ELF x64 - Browser exploit - Intro fr 5 January 2019 at 19:34

Challenges associated with this section 67 Challenges

Results Challenge's Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide ELF x86 - Stack buffer overflow basic 1 9% 10240 5 Lyes 11
pas_valide ELF x86 - Stack buffer overflow basic 2 7% 7747 10 Lyes 10
pas_valide ELF x86 - Format string bug basic 1 5% 5145 15 Lu33Y 5
pas_valide ELF x64 - Stack buffer overflow - basic 3% 3696 20 Arod 5
pas_valide ELF x86 - Format string bug basic 2 2% 2510 20 Lyes 5
pas_valide ELF x86 - Race condition 3% 3465 20 Lu33Y 8
pas_valide ELF ARM - Stack buffer overflow - basic 1% 524 25 pickle 7
pas_valide ELF MIPS - Stack buffer overflow - No NX 1% 106 25 franb 1
pas_valide ELF x86 - Stack buffer overflow basic 3 2% 2448 25 Lyes 2
pas_valide ELF ARM - Stack Spraying 1% 116 30 pickle 3
pas_valide ELF x86 - BSS buffer overflow 3% 2783 30 Lu33Y 6
pas_valide ELF x86 - Stack buffer overflow basic 4 2% 1821 30 Lu33Y 4
pas_valide ELF x86 - Stack buffer overflow basic 6 2% 1408 30 TiWim 4
pas_valide ELF x86 - Format String Bug Basic 3 1% 670 35 Lyes 2
pas_valide ELF ARM - Basic ROP 1% 225 40 pickle 4
pas_valide ELF MIPS - Basic ROP 1% 40 40 dagger 1
pas_valide ELF x86 - Stack buffer overflow - C++ vtables 1% 464 40 sebbb 2
pas_valide ELF x64 - Logic bug 1% 92 50 sbrk 2
pas_valide ELF x86 - Bug Hunting - Several issues 1% 44 50 sbrk 0
pas_valide ELF x86 - Stack buffer and integer overflow 2% 1364 50 Lu33Y 3
pas_valide ELF x86 - Stack buffer overflow - ret2dl_resolve 1% 32 50 kikko 0
pas_valide ELF x86 - Stack buffer overflow basic 5 1% 1258 50 Lu33Y 1
pas_valide ELF x64 - Stack buffer overflow - advanced 1% 640 55 Arod 3
pas_valide ELF MIPS - Format String Glitch 1% 18 60 pickle, martin 0
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 509 60 Arod 2
pas_valide ELF ARM - Race condition 1% 69 70 pickle 1
pas_valide ELF x64 - Browser exploit - Intro 1% 27 70 pickle 1
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 58 70 sbrk 2
pas_valide ELF x86 - Remote BSS buffer overflow 1% 606 75 Tosh 1
pas_valide ELF x86 - Remote Format String bug 1% 734 75 Tosh 2
pas_valide ELF x64 - Remote heap buffer overflow - fastbin 1% 154 80 franb 1
pas_valide ELF x86 - Blind remote format string bug 1% 191 80 Lyes 1
pas_valide LinKern ARM - vulnerable syscall 1% 61 85 pickle 0
pas_valide LinKern x86 - Buffer overflow basic 1 1% 248 85 franb 2
pas_valide LinKern x86 - Null pointer dereference 1% 257 90 franb 0
pas_valide LinKern x64 - Race condition 1% 165 95 franb 0
pas_valide ELF ARM - Alphanumeric shellcode 1% 20 100 pickle 2
pas_valide ELF MIPS - URLEncoded Format String bug 1% 6 100 pickle 0
pas_valide ELF x86 - Hardened binary 1 1% 471 100 sm0k 2
pas_valide ELF x86 - Hardened binary 2 1% 376 100 sm0k 3
pas_valide ELF x86 - Hardened binary 3 1% 237 100 sm0k 1
pas_valide ELF x86 - Hardened binary 4 1% 268 100 sm0k 2
pas_valide LinKern MIPSel - Vulnerable ioctl 1% 14 100 pickle 0
pas_valide LinKern x64 - reentrant code 1% 87 100 franb 1
pas_valide ELF ARM - Heap format string bug 1% 37 105 franb 0
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 158 105 Arod 2
pas_valide LinKern x86 - basic ROP 1% 129 110 franb 1
pas_valide ELF ARM - Format String bug 1% 43 110 pickle 0
pas_valide ELF ARM - Use After Free 1% 42 110 pickle 0
pas_valide ELF x64 - Heap feng-shui 1% 31 110 laxa 2
pas_valide ELF x64 - Off-by-one bug 1% 79 110 NeedToLearn 1
pas_valide ELF x86 - Hardened binary 5 1% 196 110 sm0k 1
pas_valide LinKern ARM - Stack Overflow 1% 24 110 pickle 0
pas_valide ELF ARM - Heap Off-by-One 1% 28 115 pickle 1
pas_valide ELF x64 - Remote Heap buffer overflow 1 1% 93 115 Tosh 2
pas_valide ELF x86 - Hardened binary 6 1% 188 115 sm0k 3
pas_valide ELF x86 - Hardened binary 7 1% 152 115 Tosh 2
pas_valide ELF x86 - Remote stack buffer overflow - Hardened 1% 77 115 franb 1
pas_valide LinKern x64 - RowHammer 1% 10 115 pickle 0
pas_valide ELF ARM - Heap buffer overflow - Wilderness 1% 18 120 pickle 1
pas_valide ELF ARM - Heap Overflow 1% 21 120 pickle 0
pas_valide ELF x64 - Seccomp Whitelist 1% 29 120 pickle 0
pas_valide ELF x86 - Blind ROP 1% 54 120 franb 0
pas_valide Linkern x64 - Memory exploration 1% 53 120 franb 1
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 68 130 Tosh, Fritz 1
pas_valide ELF x64 - Blind ROP 1% 32 135 franb 1
pas_valide ELF x64 - Browser exploit - BitString 1% 9 135 pickle 0