[tor-bugs] #13893 [Tor Browser]: Torbrowser 4.0.1_de crashes on start when using MS EMET 5.1

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Dec 4 07:59:30 UTC 2014


#13893: Torbrowser 4.0.1_de crashes on start when using MS EMET 5.1
-------------------------+--------------------------
 Reporter:  Diapolo      |          Owner:  tbb-team
     Type:  defect       |         Status:  new
 Priority:  major        |      Milestone:
Component:  Tor Browser  |        Version:
 Keywords:  EMET         |  Actual Points:
Parent ID:               |         Points:
-------------------------+--------------------------
 Trying to start the Tor Browser on Win7 x64 SP1 with MS EMET 5.1 installed
 and firefox.exe added to it leads to the following crash of firefox.exe:

 EMET detected SimExecFlow mitigation and will close the application:
 firefox.exe

 SimExecFlow check failed:
   Application   : D:\Tor Browser\Browser\firefox.exe
   User Name     : XYZ\XYZ
   Session ID    : 1
   PID           : 0x1280 (4736)
   TID           : 0x12C8 (4808)
   CodeAddress   : 0x62B5EEF2
   CodeStackPtr  : 0x3CF190
   CalledAddress         : 0x77324AFF
   API name      : kernel32.VirtualProtectEx
   StackPtr      : 0x003CF130
   FramePtr      : 0x763298

 IMHO it should be possible or even best practise to use Tor Browser
 together with EMET. Perhas a core developer can take a look at this. If
 you need more information, let me know.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13893>
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