Shellphish targetted TECHx running KPRCA_00065 in round 32.

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Type 1 POV

eip:0x1c89a056 - ebp:0x17714ef7

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The application exited with a segmentation fault

0x8048e02: 0x8048e02 // esp: 0xbaaaafa8

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Execution control corruption via return (return to: 0xbaaaafa8).

Tracing data from eip: 0x8048e02 tracing source of memory: 0xbaaaafa8 (value: 0x1c89a056)

0x804d333 : receive syscall (return)
0x804b2dd : mov dl,byte ptr [ecx+eax]
0x804b2e6 : mov byte ptr [ecx+eax],dl
0x8048e02: ret // address: 0xbaaaafa8 value: 0x1c89a056

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Negotiated general register: ebp:0x17714ef7

Tracing data from eip: 0x8048e02 tracing source of register: ebp (value: 0x17714ef7)

0x804d333 : receive syscall (return)
0x804b2dd : mov dl,byte ptr [ecx+eax]
0x804b2e6 : mov byte ptr [ecx+eax],dl
0x8048e01 : pop ebp
0x8048e02: ret // address: ebp value: 0x17714ef7