ELF x64 - Remote Heap buffer overflow 2

130 Points  0x0

Heap overflow exploitation (ptmalloc2/glibc) - compiled with all protections

Author

Tosh, Fritz,  

Level  Difficulty

Validations

102 Challengers 1%

Note  Notation

1
2
3
4
5
36 Votes

To reach this part of the site please login

 1 Solution

Display solutions Submit a solution

Challenge Results Challenge Results

Pseudo Challenge Lang date
NilDead   ELF x64 - Remote Heap buffer overflow 2 27 October 2020 at 12:20
mango   ELF x64 - Remote Heap buffer overflow 2 13 October 2020 at 18:06
Slowerzs   ELF x64 - Remote Heap buffer overflow 2 12 October 2020 at 10:57
notreality   ELF x64 - Remote Heap buffer overflow 2 11 October 2020 at 20:43
shelli   ELF x64 - Remote Heap buffer overflow 2 1 October 2020 at 15:47
dvor4x   ELF x64 - Remote Heap buffer overflow 2 29 September 2020 at 21:11
vamin   ELF x64 - Remote Heap buffer overflow 2 2 September 2020 at 16:56
awe   ELF x64 - Remote Heap buffer overflow 2 27 July 2020 at 23:10
SIGABRT   ELF x64 - Remote Heap buffer overflow 2 15 June 2020 at 21:36
Kuroda   ELF x64 - Remote Heap buffer overflow 2 13 June 2020 at 17:47

 75 Challenges

Results 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% 15124 5 Lyes 11
pas_valide ELF x86 - Stack buffer overflow basic 2 6% 10803 10 Lyes 10
pas_valide PE32 - Stack buffer overflow basic 1% 670 10 Ech0 6
pas_valide ELF x86 - Format string bug basic 1 4% 7015 15 Lu33Y 5
pas_valide ELF x64 - Stack buffer overflow - basic 3% 5334 20 Arod 6
pas_valide ELF x86 - Format string bug basic 2 2% 3513 20 Lyes 5
pas_valide ELF x86 - Race condition 3% 4792 20 Lu33Y 9
pas_valide ELF ARM - Stack buffer overflow - basic 1% 978 25 pickle 7
pas_valide ELF MIPS - Stack buffer overflow - No NX 1% 310 25 franb 2
pas_valide ELF x86 - Stack buffer overflow basic 3 2% 3506 25 Lyes 3
pas_valide ELF x86 - Use After Free - basic 1% 935 25 Esad 3
pas_valide ELF ARM - Stack Spraying 1% 172 30 pickle 4
pas_valide ELF x86 - BSS buffer overflow 2% 3378 30 Lu33Y 7
pas_valide ELF x86 - Stack buffer overflow basic 4 2% 2229 30 Lu33Y 5
pas_valide ELF x86 - Stack buffer overflow basic 6 2% 2057 30 TiWim 5
pas_valide ELF x86 - Format String Bug Basic 3 1% 920 35 Lyes 2
pas_valide PE32 - Advanced stack buffer overflow 1% 110 35 Ech0 3
pas_valide ELF ARM - Basic ROP 1% 497 40 pickle 5
pas_valide ELF MIPS - Basic ROP 1% 94 40 dagger 1
pas_valide ELF x86 - Stack buffer overflow - C++ vtables 1% 657 40 sebbb 2
pas_valide PE32+ Format string bug 1% 53 45 Ech0 1
pas_valide ELF x64 - Logic bug 1% 144 50 sbrk 3
pas_valide ELF x86 - Bug Hunting - Several issues 1% 73 50 sbrk 2
pas_valide ELF x86 - Stack buffer and integer overflow 1% 1601 50 Lu33Y 3
pas_valide ELF x86 - Stack buffer overflow - ret2dl_resolve 1% 147 50 kikko 0
pas_valide ELF x86 - Stack buffer overflow basic 5 1% 1467 50 Lu33Y 1
pas_valide ELF x64 - Stack buffer overflow - advanced 1% 965 55 Arod 4
pas_valide ELF MIPS - Format String Glitch 1% 41 60 pickle, martin 1
pas_valide ELF x86 - Information leakage with Stack Smashing Protector 1% 693 60 Arod 2
pas_valide ELF ARM - Race condition 1% 101 70 pickle 1
pas_valide ELF x64 - Browser exploit - Intro 1% 59 70 pickle 1
pas_valide ELF x86 - Out of bounds attack - French Paradox 1% 84 70 sbrk 3
pas_valide ELF x86 - Remote BSS buffer overflow 1% 674 75 Tosh 1
pas_valide ELF x86 - Remote Format String bug 1% 839 75 Tosh 2
pas_valide PE32+ Basic ROP 1% 26 75 Ech0 0
pas_valide ELF x64 - Remote heap buffer overflow - fastbin 1% 217 80 franb 1
pas_valide ELF x86 - Blind remote format string bug 1% 245 80 Lyes 1
pas_valide LinKern ARM - vulnerable syscall 1% 102 85 pickle 0
pas_valide LinKern x86 - Buffer overflow basic 1 1% 360 85 franb 3
pas_valide LinKern x86 - Null pointer dereference 1% 359 90 franb 0
pas_valide LinKern x64 - Race condition 1% 222 95 franb 0
pas_valide ELF ARM - Alphanumeric shellcode 1% 34 100 pickle 2
pas_valide ELF MIPS - URLEncoded Format String bug 1% 19 100 pickle 0
pas_valide ELF x86 - Hardened binary 1 1% 596 100 sm0k 3
pas_valide ELF x86 - Hardened binary 2 1% 474 100 sm0k 3
pas_valide ELF x86 - Hardened binary 3 1% 293 100 sm0k 1
pas_valide ELF x86 - Hardened binary 4 1% 327 100 sm0k 2
pas_valide LinKern MIPSel - Vulnerable ioctl 1% 34 100 pickle 0
pas_valide LinKern x64 - reentrant code 1% 117 100 franb 1
pas_valide ELF ARM - Heap format string bug 1% 62 105 franb 0
pas_valide ELF x64 - Sigreturn Oriented Programming 1% 198 105 Arod 3
pas_valide ELF ARM - Format String bug 1% 72 110 pickle 2
pas_valide ELF ARM - Use After Free 1% 73 110 pickle 0
pas_valide ELF x64 - Heap feng-shui 1% 54 110 laxa 2
pas_valide ELF x64 - Off-by-one bug 1% 106 110 NeedToLearn 2
pas_valide ELF x86 - Hardened binary 5 1% 254 110 sm0k 1
pas_valide LinKern ARM - Stack Overflow 1% 40 110 pickle 0
pas_valide LinKern x86 - basic ROP 1% 178 110 franb 1
pas_valide ELF ARM - Heap Off-by-One 1% 46 115 pickle 1
pas_valide ELF x64 - Remote Heap buffer overflow 1 1% 137 115 Tosh 3
pas_valide ELF x86 - Hardened binary 6 1% 236 115 sm0k 3
pas_valide ELF x86 - Hardened binary 7 1% 200 115 Tosh 3
pas_valide ELF x86 - Remote stack buffer overflow - Hardened 1% 119 115 franb 1
pas_valide LinKern x64 - RowHammer 1% 49 115 pickle 1
pas_valide LinKern x64 - SLUB off-by-one 1% 31 115 Tosh 1
pas_valide ELF ARM - Heap buffer overflow - Wilderness 1% 28 120 pickle 1
pas_valide ELF ARM - Heap Overflow 1% 33 120 pickle 1
pas_valide ELF x64 - Seccomp Whitelist 1% 41 120 pickle 0
pas_valide ELF x86 - Blind ROP 1% 97 120 franb 0
pas_valide Linkern x64 - Memory exploration 1% 78 120 franb 1
pas_valide WinKern x64 - Advanced stack buffer overflow - ROP 1% 13 120 __syscall, Synacktiv 1
pas_valide WinKern x64 - Use After Free 1% 9 120 __syscall, Synacktiv 0
pas_valide ELF x64 - Remote Heap buffer overflow 2 1% 102 130 Tosh, Fritz 1
pas_valide ELF x64 - Blind ROP 1% 67 135 franb 1
pas_valide ELF x64 - Browser exploit - BitString 1% 24 135 pickle 0