Disekt targetted ForAllSecure running YAN01_00015 in round 64.


Type 2 POV

Reading from protected address: 0x4347c001

0xbaaaaf7c : mov edi,dword ptr [0x4347c001]

The application exited with a segmentation fault

0: 0 // esp: 0

Execution control corruption via return (return to: 0xbaaaaff8).

Tracing data from eip: 0x8048ba9 tracing source of memory: 0xbaaaaff8 (value: 0xbaaaaf71)

0x804939a : receive syscall (return)
0x804909b : mov bl,byte ptr [esi+ecx]
0x804909e : mov byte ptr [ebp-0x29],bl
0x80490a1 : mov bl,byte ptr [ebp-0x29]
0x80490aa : mov byte ptr [edx+ecx],bl
0x8048ba9: ret // address: 0xbaaaaff8 value: 0xbaaaaf71

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

Tracing data from eip: 0xbaaaaf71 tracing source of memory: 0xbaaaaf71 (value: 0x3199c031)

0x804939a : receive syscall (return)
0x804909b : mov bl,byte ptr [esi+ecx]
0x804909e : mov byte ptr [ebp-0x29],bl
0x80490a1 : mov bl,byte ptr [ebp-0x29]
0x80490aa : mov byte ptr [edx+ecx],bl
0xbaaaaf71: xor eax,eax // address: 0xbaaaaf71 value: 0x3199c031

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