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Date: Sun, 28 Oct 2012 01:46:56 +0330 From: kaveh ghaemmaghami <kavehghaemmaghami@...glemail.com> To: full-disclosure@...ts.grok.org.uk Subject: Microsoft Office Publisher 2010 memory corruption Hello list I am getting busy with crashing ms products Hope i can help for future security Best Regards Title : Microsoft Office Publisher 2010 memory corruption Version : Microsoft Office professional Plus 2010 Date : 2012-10-25 Vendor : http://office.microsoft.com Impact : Med/High Contact : coolkaveh [at] rocketmail.com Twitter : @coolkaveh tested : XP SP3 ENG ############################################################################### Bug : ---- I have discovered many crashes during testing MS product which i can discuss with authority responsible memory corruption during the handling of the pub files a context-dependent attacker can execute arbitrary code. ---- ################################################################################ First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=00000012 ebx=00000002 ecx=00000004 edx=00000002 esi=00000000 edi=0012f7e4 eip=7855b450 esp=0012f7a4 ebp=0012f7ac iopl=0 nv up ei ng nz ac pe cy cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00210297 *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\WinSxS\x86_Microsoft.VC90.CRT_1fc8b3b9a1e18e3b_9.0.30729.6161_x-ww_31a54e43\MSVCR90.dll - MSVCR90!memmove+0x140: 7855b450 8b448ef0 mov eax,dword ptr [esi+ecx*4-10h] ds:0023:00000000=???????? 0:000>!exploitable -v eax=00000012 ebx=00000002 ecx=00000004 edx=00000002 esi=00000000 edi=0012f7e4 eip=7855b450 esp=0012f7a4 ebp=0012f7ac iopl=0 nv up ei ng nz ac pe cy cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00210297 MSVCR90!memmove+0x140: 7855b450 8b448ef0 mov eax,dword ptr [esi+ecx*4-10h] ds:0023:00000000=???????? 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 - *** ERROR: Module load completed but symbols could not be loaded for mspub.exe *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\Program Files\Common Files\Microsoft Shared\office14\mso.dll - *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\USER32.dll - *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\kernel32.dll - Exception Faulting Address: 0x0 First Chance Exception Type: STATUS_ACCESS_VIOLATION (0xC0000005) Exception Sub-Type: Read Access Violation Faulting Instruction:7855b450 mov eax,dword ptr [esi+ecx*4-10h] Basic Block: 7855b450 mov eax,dword ptr [esi+ecx*4-10h] Tainted Input Operands: ecx, esi 7855b454 mov dword ptr [edi+ecx*4-10h],eax Tainted Input Operands: eax, ecx 7855b458 mov eax,dword ptr [esi+ecx*4-0ch] Tainted Input Operands: ecx, esi 7855b45c mov dword ptr [edi+ecx*4-0ch],eax Tainted Input Operands: eax, ecx 7855b460 mov eax,dword ptr [esi+ecx*4-8] Tainted Input Operands: ecx, esi 7855b464 mov dword ptr [edi+ecx*4-8],eax Tainted Input Operands: eax, ecx 7855b468 mov eax,dword ptr [esi+ecx*4-4] Tainted Input Operands: ecx, esi 7855b46c mov dword ptr [edi+ecx*4-4],eax Tainted Input Operands: eax, ecx 7855b470 lea eax,[ecx*4] Tainted Input Operands: ecx 7855b477 add esi,eax Tainted Input Operands: eax, esi 7855b479 add edi,eax Tainted Input Operands: eax 7855b47b jmp dword ptr msvcr90!memmove+0x174 (7855b484)[edx*4] Exception Hash (Major/Minor): 0x56372064.0x42094b36 Stack Trace: MSVCR90!memmove+0x140 mspub+0x83638 mspub+0x63f02 mspub+0x64189 mspub+0x64c1b mso!Ordinal5220+0x676 mso!Ordinal7862+0x547 mspub+0x98ca5 mspub+0x953fe USER32!GetDC+0x6d USER32!GetDC+0x14f USER32!DefWindowProcW+0x180 USER32!DefWindowProcW+0x1cc ntdll!KiUserCallbackDispatcher+0x13 USER32!DispatchMessageW+0xf mso!Ordinal9774+0x23 mspub+0x341c0 mspub+0x212d mspub+0x20d0 mspub+0x2083 kernel32!RegisterWaitForInputIdle+0x49 Instruction Address: 0x000000007855b450 Description: Data from Faulting Address controls subsequent Write Address Short Description: TaintedDataControlsWriteAddress Exploitability Classification: PROBABLY_EXPLOITABLE Recommended Bug Title: Probably Exploitable - Data from Faulting Address controls subsequent Write Address starting at MSVCR90!memmove+0x0000000000000140 (Hash=0x56372064.0x42094b36) The data from the faulting address is later used as the target for a later write. ################################################################################ Proof of concept included. http://www31.zippyshare.com/v/29089672/file.html _______________________________________________ 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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