Foxit Reader 5.4.3.0920 – Crash (PoC)

  • 作者: coolkaveh
    日期: 2012-10-01
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/21645/
  • Title:Foxit Reader suffers from Division By Zero
    Version:5.4.3.0920 
    Date :2012-09-28
    Vendor :http://www.foxitsoftware.com/
    Impact :Med/High
    Contact:coolkaveh [at] rocketmail.com
    Twitter:@coolkaveh
    tested :XP SP3
    #####################################################################
    Bug :
    ----
    division by zero vulnerability during the handling of the pdf files.
    that will trigger a denial of service condition
    
    #####################################################################
    (b34.f24): Integer divide-by-zero - code c0000094 (first chance)
    First chance exceptions are reported before any exception handling.
    This exception may be expected and handled.
    eax=ffffffff 
    ebx=00000000 
    ecx=00000000 
    edx=00000000 
    esi=00000000 
    edi=00000000
    eip=00558c8c 
    esp=0012f928 
    ebp=00000000 
    iopl=0 nv up ei pl zr na pe nc
    cs=001bss=0023ds=0023es=0023fs=003bgs=0000 efl=00010246
    *** ERROR: Module load completed but symbols could not be loaded for FoxitReader_Lib_Full.exe
    FoxitReader_Lib_Full+0x158c8c:
    00558c8c f7f7div eax,edi
    0:000> r;!exploitable -v;q
    eax=ffffffff 
    ebx=00000000 
    ecx=00000000 
    edx=00000000 
    esi=00000000 
    edi=00000000
    eip=00558c8c 
    esp=0012f928 
    ebp=00000000 iopl=0 nv up ei pl zr na pe nc
    cs=001bss=0023ds=0023es=0023fs=003bgs=0000 efl=00010246
    FoxitReader_Lib_Full+0x158c8c:
    00558c8c f7f7div eax,edi
    HostMachine\HostUser
    Executing Processor Architecture is x86
    Debuggee is in User Mode
    Debuggee is a live user mode debugging session on the local machine
    Event Type: Exception
    *** ERROR: Symbol file could not be found.Defaulted to export symbols for ntdll.dll - 
    Exception Faulting Address: 0x558c8c
    First Chance Exception Type: STATUS_INTEGER_DIVIDE_BY_ZERO (0xC0000094)
    
    Faulting Instruction:00558c8c div eax,edi
    
    Basic Block:
    00558c8c div eax,edi
     Tainted Input Operands: ax, dx, eax, edi
    00558c8e cmp dword ptr [esp+3ch],eax
     Tainted Input Operands: eax
    00558c92 jae foxitreader_lib_full+0x158f06 (00558f06)
     Tainted Input Operands: CarryFlag
    
    Exception Hash (Major/Minor): 0x6461647c.0x64616453
    
    Stack Trace:
    FoxitReader_Lib_Full+0x158c8c
    Instruction Address: 0x0000000000558c8c
    
    Description: Integer Divide By Zero
    Short Description: DivideByZero
    Recommended Bug Title: Integer Divide By Zero starting at FoxitReader_Lib_Full+0x0000000000158c8c (Hash=0x6461647c.0x64616453)
    #####################################################################
    
    Proof of concept .pdf included: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/21645.pdf