TECHx targetted ForAllSecure running CROMU_00094 in round 3.
Type 1 POV
eip:0x603e935f - esi:0x6279d019
The application exited with a segmentation fault
0x8048dcf: 0x8048dcf // esp: 0xbaaaaad8
Execution control corruption via return (return to: 0xbaaaaad8).
Tracing data from eip: 0x8048dcf tracing source of memory: 0xbaaaaad8 (value: 0x603e935f)
0x804d18d : receive syscall (return)
0x804bff9 : mov dl,byte ptr [eax]
0x804bffb : mov byte ptr [ebp-0x12],dl
0x804c0f2 : mov al,byte ptr [ebp-0x12]
0x804c103 : mov byte ptr [ecx],al
0x804c587 : mov dl,byte ptr [eax]
0x804c597 : mov byte ptr [eax],dl
0x804c587 : mov dl,byte ptr [eax]
0x804c597 : mov byte ptr [eax],dl
0x8048dcf: ret // address: 0xbaaaaad8 value: 0x603e935f
Negotiated general register: esi:0x6279d019
Tracing data from eip: 0x8048dcf tracing source of register: esi (value: 0x6279d019)
0x804d18d : receive syscall (return)
0x804bff9 : mov dl,byte ptr [eax]
0x804bffb : mov byte ptr [ebp-0x12],dl
0x804c0f2 : mov al,byte ptr [ebp-0x12]
0x804c103 : mov byte ptr [ecx],al
0x804c587 : mov dl,byte ptr [eax]
0x804c597 : mov byte ptr [eax],dl
0x804c587 : mov dl,byte ptr [eax]
0x804c597 : mov byte ptr [eax],dl
0x8048dcd : pop esi
0x8048dcf: ret // address: esi value: 0x6279d019