ELF x86 - Stack buffer overflow - C++ vtables

40 Points  

Buffer overflow on C++ vtables

Author

sebbb,  

Level  Difficulty

Validations

523 Challengers 1%

Note  Notation

1
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5
54 Votes
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Solution 2 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang date
klook   ELF x86 - Stack buffer overflow - C++ vtables fr 19 July 2019 at 10:57
hummelchen   ELF x86 - Stack buffer overflow - C++ vtables en 19 July 2019 at 00:14
Loris   ELF x86 - Stack buffer overflow - C++ vtables fr 15 July 2019 at 15:08
hexabeast   ELF x86 - Stack buffer overflow - C++ vtables fr 10 July 2019 at 00:46
alias   ELF x86 - Stack buffer overflow - C++ vtables en 17 June 2019 at 04:08
Agownie   ELF x86 - Stack buffer overflow - C++ vtables fr 16 June 2019 at 13:39
lgeffect   ELF x86 - Stack buffer overflow - C++ vtables en 14 June 2019 at 21:15
youpla1   ELF x86 - Stack buffer overflow - C++ vtables fr 13 June 2019 at 12:50
ber98fa4a   ELF x86 - Stack buffer overflow - C++ vtables fr 8 June 2019 at 11:41
Nekröm   ELF x86 - Stack buffer overflow - C++ vtables fr 6 June 2019 at 11:29

Challenges associated with this section 69 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 8% 11169 5 Lyes 11
pas_valide ELF x86 - Stack buffer overflow basic 2 6% 8314 10 Lyes 10
pas_valide ELF x86 - Format string bug basic 1 4% 5529 15 Lu33Y 5
pas_valide ELF x64 - Stack buffer overflow - basic 3% 4032 20 Arod 5
pas_valide ELF x86 - Format string bug basic 2 2% 2710 20 Lyes 5
pas_valide ELF x86 - Race condition 3% 3721 20 Lu33Y 8
pas_valide ELF ARM - Stack buffer overflow - basic 1% 651 25 pickle 7
pas_valide ELF MIPS - Stack buffer overflow - No NX 1% 157 25 franb 2
pas_valide ELF x86 - Stack buffer overflow basic 3 2% 2677 25 Lyes 2
pas_valide ELF x86 - Use After Free - basic 1% 210 25 Esad 2
pas_valide ELF ARM - Stack Spraying 1% 129 30 pickle 4
pas_valide ELF x86 - BSS buffer overflow 3% 2920 30 Lu33Y 6
pas_valide ELF x86 - Stack buffer overflow basic 4 2% 1938 30 Lu33Y 5
pas_valide ELF x86 - Stack buffer overflow basic 6 2% 1560 30 TiWim 4
pas_valide ELF x86 - Format String Bug Basic 3 1% 741 35 Lyes 2
pas_valide ELF ARM - Basic ROP 1% 307 40 pickle 4
pas_valide ELF MIPS - Basic ROP 1% 52 40 dagger 1
pas_valide ELF x86 - Stack buffer overflow - C++ vtables 1% 523 40 sebbb 2
pas_valide ELF x64 - Logic bug 1% 105 50 sbrk 3
pas_valide ELF x86 - Bug Hunting - Several issues 1% 50 50 sbrk 0
pas_valide ELF x86 - Stack buffer and integer overflow 2% 1431 50 Lu33Y 3
pas_valide ELF x86 - Stack buffer overflow - ret2dl_resolve 1% 65 50 kikko 0
pas_valide ELF x86 - Stack buffer overflow basic 5 1% 1312 50 Lu33Y 1
pas_valide ELF x64 - Stack buffer overflow - advanced 1% 727 55 Arod 4
pas_valide ELF MIPS - Format String Glitch 1% 21 60 pickle, martin 0
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 549 60 Arod 2
pas_valide ELF ARM - Race condition 1% 74 70 pickle 1
pas_valide ELF x64 - Browser exploit - Intro 1% 31 70 pickle 1
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 63 70 sbrk 3
pas_valide ELF x86 - Remote BSS buffer overflow 1% 620 75 Tosh 1
pas_valide ELF x86 - Remote Format String bug 1% 764 75 Tosh 2
pas_valide ELF x64 - Remote heap buffer overflow - fastbin 1% 167 80 franb 1
pas_valide ELF x86 - Blind remote format string bug 1% 201 80 Lyes 1
pas_valide LinKern ARM - vulnerable syscall 1% 69 85 pickle 0
pas_valide LinKern x86 - Buffer overflow basic 1 1% 266 85 franb 2
pas_valide LinKern x86 - Null pointer dereference 1% 278 90 franb 0
pas_valide LinKern x64 - Race condition 1% 178 95 franb 0
pas_valide ELF ARM - Alphanumeric shellcode 1% 21 100 pickle 2
pas_valide ELF MIPS - URLEncoded Format String bug 1% 9 100 pickle 0
pas_valide ELF x86 - Hardened binary 1 1% 499 100 sm0k 3
pas_valide ELF x86 - Hardened binary 2 1% 392 100 sm0k 3
pas_valide ELF x86 - Hardened binary 3 1% 247 100 sm0k 1
pas_valide ELF x86 - Hardened binary 4 1% 277 100 sm0k 2
pas_valide LinKern MIPSel - Vulnerable ioctl 1% 17 100 pickle 0
pas_valide LinKern x64 - reentrant code 1% 95 100 franb 1
pas_valide ELF ARM - Heap format string bug 1% 41 105 franb 0
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 169 105 Arod 3
pas_valide ELF ARM - Format String bug 1% 50 110 pickle 0
pas_valide ELF ARM - Use After Free 1% 46 110 pickle 0
pas_valide ELF x64 - Heap feng-shui 1% 37 110 laxa 2
pas_valide ELF x64 - Off-by-one bug 1% 82 110 NeedToLearn 2
pas_valide ELF x86 - Hardened binary 5 1% 208 110 sm0k 1
pas_valide LinKern ARM - Stack Overflow 1% 27 110 pickle 0
pas_valide LinKern x86 - basic ROP 1% 139 110 franb 1
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 3
pas_valide ELF x86 - Hardened binary 7 1% 162 115 Tosh 3
pas_valide ELF x86 - Remote stack buffer overflow - Hardened 1% 89 115 franb 1
pas_valide LinKern x64 - RowHammer 1% 24 115 pickle 0
pas_valide LinKern x64 - SLUB off-by-one 1% 14 115 Tosh 1
pas_valide ELF ARM - Heap buffer overflow - Wilderness 1% 19 120 pickle 1
pas_valide ELF ARM - Heap Overflow 1% 22 120 pickle 0
pas_valide ELF x64 - Seccomp Whitelist 1% 33 120 pickle 0
pas_valide ELF x86 - Blind ROP 1% 61 120 franb 0
pas_valide Linkern x64 - Memory exploration 1% 62 120 franb 1
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 73 130 Tosh, Fritz 1
pas_valide ELF x64 - Blind ROP 1% 41 135 franb 1
pas_valide ELF x64 - Browser exploit - BitString 1% 15 135 pickle 0