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Mozilla Firefox 29.0 - Null Pointer Dereference Vulnerability

Author
Mr.XHat
Risk
[
Security Risk Medium
]
0day-ID
0day-ID-22255
Category
dos / poc
Date add
16-05-2014
Platform
multiple
<html>
<title>Mozilla Firefox Null Pointer Dereference Vulnerability</title>
<pre>
Fun side of life!
<br>
Details:
    Title: Mozilla Firefox Null Pointer Dereference Vulnerability
    Version: Prior to 29.0
    Date: 4/30/2014
    Discovered By: Mr.XHat
    E-Mail: Mr.XHat {AT} GMail.com
    Tested On: Windows 7 x64 EN
###################################
Disassembly:
    01694240 8bc2            mov     eax,edx
    01694242 d9e0            fchs
    01694244 8b550c          mov     edx,dword ptr [ebp+0Ch]
    01694247 d95c2418        fstp    dword ptr [esp+18h]
    0169424b 8b1a            mov     ebx,dword ptr [edx]  ds:0023:00000000=????????
    0169424d d9442418        fld     dword ptr [esp+18h]
    01694251 8d4c2420        lea     ecx,[esp+20h]
    01694255 d9c0            fld     st(0)
    01694257 51              push    ecx
============================================
Output:
    (e0.544): Access violation - code c0000005 (first chance)
    First chance exceptions are reported before any exception handling.
    This exception may be expected and handled.
    eax=07e1fd00 ebx=0994bf90 ecx=000001f8 edx=00000000 esi=000000a8 edi=00000000
    eip=0169424b esp=0012c8f0 ebp=0012c940 iopl=0         nv up ei pl nz na po nc
    cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00010202
    *** ERROR: Symbol file could not be found.  Defaulted to export symbols for C:\Program Files\Mozilla Firefox\xul.dll -
    xul!NS_NewLocalFile+0x2a49c:
    0169424b 8b1a            mov     ebx,dword ptr [edx]  ds:0023:00000000=????????
#######################################################################################
</pre>
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#  0day.today [2024-11-14]  #