This time I decided to prepare a quick fuzzing case(s) for latest VLC - (version 3.0.4 for 24.12.2018@01:24). Below you will find few details...
Few times before we tried to crash VLC Player. This time we will try 3.0.4 version available here:
Few details about the cases found during last few days you will find below:
Case #01:
---<windbg>---
eax=05609020 ebx=098a98b0 ecx=00000008 edx=00000000 esi=05609000 edi=098a98b0
eip=76549b60 esp=054ff788 ebp=054ff790 iopl=0 nv up ei pl zr na pe nc
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246
msvcrt!memcpy+0x250:
76549b60 f3a5 rep movs dword ptr es:[edi],dword ptr [esi]
---<windbg>---
Case #02: (1, 2, 3)
---<windbg>---
eax=00000000 ebx=00000000 ecx=00000025 edx=00000000 esi=00000000 edi=00000000
eip=00000000 esp=06e6f2ec ebp=00000000 iopl=0 nv up ei pl zr na pe nc
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246
00000000 ?? ???
---<windbg>---
Case #03:
---<windbg>---
eax=04370798 ebx=00000000 ecx=00200020 edx=04395a18 esi=01785768 edi=043707c4
eip=6b6eb7c4 esp=0487fa64 ebp=04370798 iopl=0 nv up ei ng nz ac pe cy
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010297
libmkv_plugin+0xb7c4:
6b6eb7c4 8b7314 mov esi,dword ptr [ebx+14h] ds:0023:00000014=????????
---<windbg>---
Case #04: (1, 2, 3)
---<windbg>---
eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 esi=6ab77aa0 edi=00000004
eip=6ab552c2 esp=06926ecc ebp=00000000 iopl=0 nv up ei pl nz na po nc
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010202
libfaad_plugin!vlc_entry_license__3_0_0f+0x1e72:
6ab552c2 d80493 fadd dword ptr [ebx+edx*4] ds:0023:00000000=????????
---<windbg>---
Enjoy.
See you next time.
Cheers,
Cody
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