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tehjh's profile
Jann Horn
Jann Horn
Jann Horn
@tehjh

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Jann Horn

@tehjh

works at Google Project Zero. personal account.

Joined August 2011

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    Jann Horn‏ @tehjh 29 Mar 2017
    • Report Tweet
    • Report NetzDG Violation

    so with "smart TVs", if you can send a rogue DVB-T signal, you can tell the TV to browse to an arbitrary URL?https://www.bleepingcomputer.com/news/security/about-90-percent-of-smart-tvs-vulnerable-to-remote-hacking-via-rogue-tv-signals/ …

    3:34 PM - 29 Mar 2017
    • 150 Retweets
    • 133 Likes
    • Dev Mohanty Mohammed Makhlouf Gabriel D'Alimonte Jeff Murri Sam Fenster Konstantinos Xynos cryptobsd Sobhi Pirate Party Weekly🏴‍☠️
    8 replies 150 retweets 133 likes
      1. Franz Bettag‏ @fbettag 30 Mar 2017
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        Replying to @tehjh @halvarflake

        Not just them, dreamboxes etc as well. Mostly used for sender logos and content descriptions

        0 replies 1 retweet 1 like
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      1. Mace Moneta‏ @MaceMoneta 29 Mar 2017
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        Replying to @tehjh

        Not with an invalid gateway IP set. Manually configure your TV networking, and sleep easy.

        0 replies 0 retweets 1 like
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      1. Kurt Seifried‏ @kurtseifried 29 Mar 2017
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        Replying to @tehjh @hdmoore

        also detection/remediation of attacks is almost impossible, and no real vendor security updates #smarttv are #infosec #fail

        0 replies 0 retweets 1 like
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      1. Kurt Seifried‏ @kurtseifried 29 Mar 2017
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        Replying to @tehjh @hdmoore

        Why would anyone think a SmartTV is secure? It runs a blob of Open Source and commercial software... that's how software is.

        0 replies 0 retweets 0 likes
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      1. SZECSKO Cyril‏ @zesteinfor 30 Mar 2017
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        Replying to @tehjh @BleepinComputer

        What about firewall? When IPv6 will be ready firewall golden age will come back . FW to protect IOT now

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      1. Chris Mallz‏ @vvalien1 30 Mar 2017
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        Replying to @tehjh

        What goes up, must come down...

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      1. New conversation
      2. Braden Thomas‏ @drspringfield 29 Mar 2017
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        Replying to @tehjh

        @myhndl don't think so, I looked at a Sony a while back and was doing dvb-t fuzzing and manual auditing and didn't see support for it

        1 reply 1 retweet 1 like
      3. 0xdayauditor‏ @0xdayauditor 30 Jan 2018
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        Replying to @drspringfield @tehjh @myhndl

        how would you do dvb-t fuzzing btw? also any good articles on how-to audit smartvs?

        0 replies 0 retweets 0 likes
      4. End of conversation

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