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jura-coffeepwn.txt

jura-coffeepwn.txt
Posted Jun 17, 2008
Authored by Craig Wright

The Jura Impressa F90 coffee maker allows for remote mangling of the presets and possible denial of happy coffee drinking service. We can now envision the day when coffee makers will be part of large botnets.

tags | advisory, remote
SHA-256 | fcbafd1edc8a15801f0425c1cdcf27bf2f6886f95b5ae57a49ad7278cd3ed57d

jura-coffeepwn.txt

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Hi All,
I have a Jura F90 Coffee maker with the Jura Internet Connection Kit. The idea is to:

"Enable the Jura Impressa F90 to communicate with the Internet, via a PC.
Download parameters to configure your espresso machine to your own personal taste.
If there's a problem, the engineers can run diagnostic tests and advise on the solution without your machine ever leaving the kitchen."

Guess what - it can not be patched as far as I can tell ;) It also has a few software vulnerabilities.

Fun things you can do with a Jura coffee maker:
1. Change the preset coffee settings (make weak or strong coffee)
2. Change the amount of water per cup (say 300ml for a short black) and make a puddle
3. Break it by engineering settings that are not compatible (and making it require a service)

The connectivity kit uses the connectivity of the PC it is running on to connect the coffee machine to the internet. This allows a remote coffee machine "engineer" to diagnose any problems and to remotely do a preliminary service.

Best yet, the software allows a remote attacker to gain access to the Windows XP system it is running on at the level of the user.

Compromise by Coffee.

Regards,
Craig Wright GSE-Compliance

Craig Wright
Manager, Risk Advisory Services

Direct : +61 2 9286 5497
Craig.Wright@bdo.com.au
+61 417 683 914

BDO Kendalls (NSW-VIC) Pty. Ltd.
Level 19, 2 Market Street Sydney NSW 2000
GPO BOX 2551 Sydney NSW 2001
Fax +61 2 9993 9497
http://www.bdo.com.au/

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Any views expressed in this message are those of the individual sender and not necessarily endorsed by BDO Kendalls. You may not rely on this message as advice unless subsequently confirmed by fax or letter signed by a Partner or Director of BDO Kendalls. It is your responsibility to scan this communication and any files attached for computer viruses and other defects. BDO Kendalls does not accept liability for any loss or damage however caused which may result from this communication or any files attached. A full version of the BDO Kendalls disclaimer, and our Privacy statement, can be found on the BDO Kendalls website at http://www.bdo.com.au/ or by emailing mailto:administrator@bdo.com.au.

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