ForAllSecure targetted DeepRed running CROMU_00073 in round 29.

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Type 1 POV

eip:0xe02a7910 - ebx:0x470dd089

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Execution control corruption via return (return to: 0xbaaaaf28).

Tracing data from eip: 0x80482c6 tracing source of memory: 0xbaaaaf28 (value: 0xbaaaaef5)

0x805027d : receive syscall (return)
0x80483b7 : mov dl,byte ptr [ecx+eax]
0x80483c7 : mov byte ptr [ecx+eax],dl
0x80482c6: ret // address: 0xbaaaaf28 value: 0xbaaaaef5

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

Tracing data from eip: 0xbaaaaef5 tracing source of memory: 0xbaaaaef5 (value: 0xc3f4628b)

0x805027d : receive syscall (return)
0x80483a3 : mov dl,byte ptr [ecx+eax]
0x80483ad : mov byte ptr [ecx+eax],dl
0xbaaaaef5: mov esp,dword ptr [edx-0xc] // address: 0xbaaaaef5 value: 0xc3f4628b

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Negotiated general register: ebx:0x470dd089

Tracing data from eip: 0x8050281 tracing source of register: ebx (value: 0x470dd089)

0x805027d : receive syscall (return)
0x80483a3 : mov dl,byte ptr [ecx+eax]
0x80483ad : mov byte ptr [ecx+eax],dl
0x8050280 : pop ebx
0x8050281: ret // address: ebx value: 0x470dd089