76 lines
No EOL
2.6 KiB
Text
76 lines
No EOL
2.6 KiB
Text
Title : Foxit Reader suffers from Division By Zero
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Version : 5.4.3.0920
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Date : 2012-09-28
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Vendor : http://www.foxitsoftware.com/
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Impact : Med/High
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Contact : coolkaveh [at] rocketmail.com
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Twitter : @coolkaveh
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tested : XP SP3
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#####################################################################
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Bug :
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----
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division by zero vulnerability during the handling of the pdf files.
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that will trigger a denial of service condition
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#####################################################################
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(b34.f24): Integer divide-by-zero - code c0000094 (first chance)
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First chance exceptions are reported before any exception handling.
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This exception may be expected and handled.
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eax=ffffffff
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ebx=00000000
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ecx=00000000
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edx=00000000
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esi=00000000
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edi=00000000
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eip=00558c8c
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esp=0012f928
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ebp=00000000
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iopl=0 nv up ei pl zr na pe nc
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cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246
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*** ERROR: Module load completed but symbols could not be loaded for FoxitReader_Lib_Full.exe
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FoxitReader_Lib_Full+0x158c8c:
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00558c8c f7f7 div eax,edi
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0:000> r;!exploitable -v;q
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eax=ffffffff
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ebx=00000000
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ecx=00000000
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edx=00000000
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esi=00000000
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edi=00000000
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eip=00558c8c
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esp=0012f928
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ebp=00000000 iopl=0 nv up ei pl zr na pe nc
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cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246
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FoxitReader_Lib_Full+0x158c8c:
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00558c8c f7f7 div eax,edi
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HostMachine\HostUser
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Executing Processor Architecture is x86
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Debuggee is in User Mode
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Debuggee is a live user mode debugging session on the local machine
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Event Type: Exception
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*** ERROR: Symbol file could not be found. Defaulted to export symbols for ntdll.dll -
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Exception Faulting Address: 0x558c8c
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First Chance Exception Type: STATUS_INTEGER_DIVIDE_BY_ZERO (0xC0000094)
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Faulting Instruction:00558c8c div eax,edi
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Basic Block:
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00558c8c div eax,edi
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Tainted Input Operands: ax, dx, eax, edi
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00558c8e cmp dword ptr [esp+3ch],eax
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Tainted Input Operands: eax
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00558c92 jae foxitreader_lib_full+0x158f06 (00558f06)
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Tainted Input Operands: CarryFlag
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Exception Hash (Major/Minor): 0x6461647c.0x64616453
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Stack Trace:
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FoxitReader_Lib_Full+0x158c8c
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Instruction Address: 0x0000000000558c8c
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Description: Integer Divide By Zero
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Short Description: DivideByZero
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Recommended Bug Title: Integer Divide By Zero starting at FoxitReader_Lib_Full+0x0000000000158c8c (Hash=0x6461647c.0x64616453)
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#####################################################################
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Proof of concept .pdf included: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/21645.pdf |