DeepRed targetted CSDS running CROMU_00065 in round 92.


Type 1 POV

eip:0x74766265 - eax:0x60587152


Execution control corruption via call.

Tracing data from eip: 0x8049796 tracing source of register: eax (value: 0xbaaaae6d)

0x804d401 : receive syscall (return)
0x804a342 : mov al,byte ptr [ebp-0x21]
0x804a34b : mov byte ptr [edx+ecx],al
0x8049772 : mov eax,dword ptr [ecx+0xc]
0x8049796: call eax // address: eax value: 0xbaaaae6d

Execution of memory occurred that was not part of the initial text sections or an executably allocated page.

Tracing data from eip: 0xbaaaae6d tracing source of memory: 0xbaaaae6d (value: 0x587152b8)

0x804d401 : receive syscall (return)
0x804a342 : mov al,byte ptr [ebp-0x21]
0x804a34b : mov byte ptr [edx+ecx],al
0xbaaaae6d: mov eax,0x60587152 // address: 0xbaaaae6d value: 0x587152b8

Negotiated general register: eax:0x60587152

Tracing data from eip: 0xbaaaae77 tracing source of register: eax (value: 0x60587152)

0xbaaaae6d : mov eax,0x60587152
0xbaaaae77: ret // address: eax value: 0x60587152

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