ForAllSecure targetted Disekt running KPRCA_00065 in round 24.


Type 2 POV

Reading from protected address: 0x4347c5b1

0xbaaaaf21 : mov ecx,dword ptr [edi+0x1fd6c66]

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

Tracing data from eip: 0x8048e02 tracing source of memory: 0xbaaaafa8 (value: 0xbaaaaf1c)

0x804d333 : receive syscall (return)
0x804b2dd : mov dl,byte ptr [ecx+eax]
0x804b2e6 : mov byte ptr [ecx+eax],dl
0x8048e02: ret // address: 0xbaaaafa8 value: 0xbaaaaf1c

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

Tracing data from eip: 0xbaaaaf1c tracing source of memory: 0xbaaaaf1c (value: 0x4a594bbf)

0x804d333 : receive syscall (return)
0x804b2dd : mov dl,byte ptr [ecx+eax]
0x804b2e6 : mov byte ptr [ecx+eax],dl
0xbaaaaf1c: mov edi,0x414a594b // address: 0xbaaaaf1c value: 0x4a594bbf

Curated by Lunge Technology, LLC. Questions or comments? Send us email