ed0e1e4d44
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3.8 KiB
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78 lines
No EOL
3.8 KiB
Text
Title : Opera Web Browser 12.11 WriteAV Vulnerability
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Version : 12.11 Build 1661 and 12.12
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Date : 2012-12-03
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Vendor : http://www.opera.com/
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Impact : High
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Contact : coolkaveh [at] rocketmail.com
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Twitter : @coolkaveh
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tested : windows XP SP3
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Author : coolkaveh
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#####################################################################################################################
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Opera is a web browser and Internet suite developed by Opera Software with over 270 million users worldwide.
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The browser handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail
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Messages, managing contacts, chatting on IRC, downloading files via BitTorrent, and reading web feeds. Opera is
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Offered free of charge for personal computers and mobile phones.
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#####################################################################################################################
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Bug :
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----
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Heap corruption during the handling of the Gif files
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context-dependent
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Successful exploits can allow attackers to execute arbitrary code
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----
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######################################################################################################################
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(f00.704): Access violation - code c0000005 (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=00000b0b ebx=0000000b ecx=0000100b edx=042bc048 esi=0417ffff edi=00141048
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eip=67237c8b esp=0012e3d8 ebp=0000001e iopl=0 nv up ei ng nz na po cy
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cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010283
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*** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\Program Files\Opera\Opera.dll -
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Opera!OpSetLaunchMan+0xb69f5:
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67237c8b 880e mov byte ptr [esi],cl ds:0023:0417ffff=??
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0:000>!exploitable -v
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eax=00000b0b ebx=0000000b ecx=0000100b edx=042bc048 esi=0417ffff edi=00141048
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eip=67237c8b esp=0012e3d8 ebp=0000001e iopl=0 nv up ei ng nz na po cy
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cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010283
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Opera!OpSetLaunchMan+0xb69f5:
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67237c8b 880e mov byte ptr [esi],cl ds:0023:0417ffff=??
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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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*** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\WINMM.dll -
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Exception Faulting Address: 0x417ffff
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First Chance Exception Type: STATUS_ACCESS_VIOLATION (0xC0000005)
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Exception Sub-Type: Write Access Violation
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Exception Hash (Major/Minor): 0x63712c74.0x0c14230f
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Stack Trace:
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Opera!OpSetLaunchMan+0xb69f5
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Opera!OpSetLaunchMan+0xb66fc
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Opera!OpSetLaunchMan+0xb644a
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Opera!OpSetLaunchMan+0x38f4d
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Opera!OpSetLaunchMan+0x1b7b3
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Opera!OpSetLaunchMan+0x20a498
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Opera!OpSetLaunchMan+0x1fb4e3
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Opera!OpSetLaunchMan+0x1fb5d5
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Opera!OpSetLaunchMan+0x16d0c1
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ntdll!RtlRemoveVectoredExceptionHandler+0x2a2
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ntdll!RtlAllocateHeap+0x117
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Opera!OpSetLaunchMan+0x1503b9
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ntdll!RtlRemoveVectoredExceptionHandler+0x823
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ntdll!RtlFreeHeap+0x130
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WINMM!timeGetTime+0x2c
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Instruction Address: 0x0000000067237c8b
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Description: User Mode Write AV
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Short Description: WriteAV
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Exploitability Classification: EXPLOITABLE
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Recommended Bug Title: Exploitable - User Mode Write AV starting at Opera!OpSetLaunchMan+0x00000000000b69f5 (Hash=0x63712c74.0x0c14230f)
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User mode write access violations that are not near NULL are exploitable.
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################################################################################
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Proof of concept included.
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http://www21.zippyshare.com/v/83302158/file.html
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Exploit-DB Mirror: https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/23107.zip |