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wdormann's profile
Will Dormann
Will Dormann
Will Dormann
@wdormann

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Will Dormann

@wdormann

Vulnerability Analyst at the CERT/CC. My thoughts are my own, not my employer's.

Joined August 2012

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    1. x0rz  😷‏ @x0rz 10 Sep 2018
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      x0rz  😷 Retweeted Zerodium

      Zerodium just dropped a Tor Browser 0day. Enjoy?https://twitter.com/Zerodium/status/1039127214602641409 …

      x0rz  😷 added,

      ZerodiumVerified account @Zerodium
      Advisory: Tor Browser 7.x has a serious vuln/bugdoor leading to full bypass of Tor / NoScript 'Safest' security level (supposed to block all JS). PoC: Set the Content-Type of your html/js page to "text/html;/json" and enjoy full JS pwnage. Newly released Tor 8.x is Not affected.
      3 replies 149 retweets 281 likes
    2. Will Dormann‏ @wdormann 10 Sep 2018
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      Replying to @x0rz

      For one of the many definitions of "0day", I suppose? This vulnerability was already fixed at the time that Zerodium dropped the vul info.

      2 replies 0 retweets 6 likes
    3. This Tweet is unavailable.
    4. nex‏Verified account @botherder 10 Sep 2018
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      Replying to @4Dgifts @wdormann @x0rz

      Technically there is no fix available yet. It wasn't patched, simply Tor Browser 8.x switched to a different version of NoScript that was rewritten as a WebExtension. The version of NoScript used in Tor Browser 7.x was still maintained.

      3 replies 0 retweets 2 likes
      Will Dormann‏ @wdormann 10 Sep 2018
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      Replying to @botherder @4Dgifts @x0rz

      Right on... it's apparently a NoScript vulnerability, rather than Tor Browser specific? I wonder why Zerodium framed it as a Tor browser vulnerability? Because Tor browser users care most / have most to lose? Either way, it seems a bit deceptive.

      8:04 AM - 10 Sep 2018
      • 1 Like
      • Eric Lawrence 🎻
      2 replies 0 retweets 1 like
        1. nex‏Verified account @botherder 10 Sep 2018
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          Replying to @wdormann @4Dgifts @x0rz

          'cause @cBekrar be like...pic.twitter.com/q64hDKwMs1

          0 replies 0 retweets 1 like
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        2. Brian in Pittsburgh‏ @arekfurt 10 Sep 2018
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          Replying to @wdormann @botherder and

          Apparently it came in to Zerodium as a result of their high-profile Tor Browser/anti-scripting bypass bounty last year. So presumably this was pared with a yet unknown/unmentioned Firefox/Tor Browser exploit.

          1 reply 0 retweets 1 like
        3. Brian in Pittsburgh‏ @arekfurt 10 Sep 2018
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          Replying to @arekfurt @wdormann and

          Updated info: https://www.zdnet.com/article/exploit-vendor-drops-tor-browser-zero-day-on-twitter/ … Apparently a patch for Noscript for v. 7 will be inbound shortly.

          0 replies 0 retweets 0 likes
        4. End of conversation

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