CSDS targetted CodeJitsu running CROMU_00055 in round 13.


Type 2 POV

Reading from protected address: 0x4347c087

0x804ccd9 : movsx edx,byte ptr [edx]

Tracing data from eip: 0x804ccd9 tracing source of register: edx (value: 0x4347c087)

0x8049322 : receive syscall (return)
0x804acd4 : mov edi,dword ptr [edi+0x4]
0x804acfd : mov dword ptr [esp+0x10],edi
0x804da8c : mov eax,dword ptr [eax]
0x804da8e : mov dword ptr [ebp-0x40],eax
0x804da9a : mov esi,dword ptr [ebp-0x40]
0x804dac3 : mov dword ptr [esp+0xc],esi
0x804f012 : mov esi,dword ptr [ebp+0x14]
0x804f02a : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd0 : add esi,0x1
0x804ccd6 : mov dword ptr [ebp-0x20],esi
0x804cccb : mov edx,dword ptr [ebp-0x20]
0x804ccd9: movsx edx,byte ptr [edx] // address: edx value: 0x4347c087

The application exited with a segmentation fault

0: 0 // esp: 0

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