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Cannot indentify CSR Bluecore firmware segment #392

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ChoKyuWon opened this issue Mar 4, 2019 · 5 comments
Open

Cannot indentify CSR Bluecore firmware segment #392

ChoKyuWon opened this issue Mar 4, 2019 · 5 comments

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@ChoKyuWon
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ChoKyuWon commented Mar 4, 2019

HI!
My binwalk(V2.1.1) cannot identify CSR Bluecore firmware segment.
The magic word is CSRbcfw1, and It's in my file on 0x10000, but binwalk dosen't work.

Here is my file :
And Here is my binwalk result:

$ binwalk xpv_little.bin
DECIMAL       HEXADECIMAL     DESCRIPTION
--------------------------------------------------------------------------------

EDIT: I upload wrong file.
xpv_little.zip
Here is my real file.

@chankruze
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chankruze commented Mar 14, 2019

No result at all ?
Let me try.

@ChoKyuWon It's showing it as HTML document can you zip the bin file and upload again or attach here ?

Edit:
Downloading via Firefox worked.
Yes, it's unable to identify

ubuntu@ip-172-31-31-51:~$ binwalk xdv_little.bin

DECIMAL       HEXADECIMAL     DESCRIPTION
--------------------------------------------------------------------------------

Firmware File : xdv_little.zip

@ChoKyuWon
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@chankruze Yes, No result.
xpv_little.zip
I double check that my file contain CSRbcfw1 and get no result on binwalk.

@chankruze
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chankruze commented Mar 15, 2019

@ChoKyuWon
yes, i found u2CSRbcfw1CSR-dfu1CSR-dfu2L in Linear Disassembly between location 00000660 and 00000680.

Screenshot (362)

So we need a response here.
Open attached file in hex editer.
xdv_little.txt

@ChoKyuWon
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@chankruze Well, I think I upload wrong file on first comment. firmware is on XPV, not XDV.

I think XDV is just data file, not firmware segment. Maybe u2CSRbcfw1CSR-dfu1CSR-dfu2L is just showed as firmware version.

In XPV, magic word CSRbcfw1 is on 10000.
image
I want to know that binwalk is also not work on XPV file.

In summarize,

  1. binwalk is not work on XDV file(xdv_little.bin) and file contain u2CSRbcfw1CSR-dfu1CSR-dfu2L on 00000660 to 00000680
  2. Is binwalk also not work on XPV file(xpv_little.zip)? It contain CSRbcfw1 on 00010000 and in my environment, binwalk is not work.

@chankruze
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chankruze commented Mar 15, 2019

Yes i checked XPV file, CSRbcfw1 on 00010000. Which means maybe binwalk don't work for both XPV and XDV files.

I have a a Minix image(basically it's a firmware for keypad mobile), firmware mod kit is unable to extract it, any suggestion ?
the repo for that image is https://github.com/chankruze/Intex_Eco_Beats

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