Attackers can exploit this issue to crash the affected application. Due to the nature of this issue, code execution might be possible, but it has not been confirmed.
Heap corruption during the handling of the Gif files - context-dependent
Successful exploits can allow attackers to execute arbitrary code
(f00.704): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
eax=00000b0b ebx=0000000b ecx=0000100b edx=042bc048 esi=0417ffff edi=00141048
eip=67237c8b esp=0012e3d8 ebp=0000001e iopl=0 nv up ei ng nz na po cy
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010283
*** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\Program Files\Opera\Opera.dll -
Opera!OpSetLaunchMan+0xb69f5:
67237c8b 880e mov byte ptr [esi],cl ds:0023:0417ffff=??
0:000>!exploitable -v
eax=00000b0b ebx=0000000b ecx=0000100b edx=042bc048 esi=0417ffff edi=00141048
eip=67237c8b esp=0012e3d8 ebp=0000001e iopl=0 nv up ei ng nz na po cy
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010283
Opera!OpSetLaunchMan+0xb69f5:
67237c8b 880e mov byte ptr [esi],cl ds:0023:0417ffff=??
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: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\WINMM.dll -
Exception Faulting Address: 0x417ffff
First Chance Exception Type: STATUS_ACCESS_VIOLATION (0xC0000005)
Exception Sub-Type: Write Access Violation