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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. Kevin Beaumont‏Verified account @GossiTheDog 26 Nov 2018
      • Report Tweet
      • Report NetzDG Violation

      NPM library with 2m installs has a backdoor, looks to be some kind of Trojan (stealer?)https://github.com/dominictarr/event-stream/issues/116 …

      14 replies 326 retweets 473 likes
      Show this thread
    2. Will Dormann‏ @wdormann 26 Nov 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @GossiTheDog

      "he emailed me and said he wanted to maintain the module, so I gave it to him. I don't get any thing from maintaining this module, and I don't even use it anymore, and havn't for years." https://github.com/dominictarr/event-stream/issues/116#issuecomment-440927400 …

      1 reply 4 retweets 21 likes
    3. ECMAScript String Pusher‏ @tanepiper 26 Nov 2018
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      Replying to @wdormann @GossiTheDog

      To be fair there isn't really a good web of trust set up around stuff like this. One of my most popular packages on GitHub is maintained by someone else now (but it's not a npm package) who offered to take it over when I no longer worked on it.

      1 reply 0 retweets 2 likes
    4. frontier_anon‏ @frontier_anon 26 Nov 2018
      • Report Tweet
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      Replying to @tanepiper @wdormann @GossiTheDog

      Is it really so hard to sign your commits? Does that not help? Does that not at least aid discovery of tampering in the repo? https://zach.codes/setting-up-gpg-signing-for-github-on-mac/ …pic.twitter.com/7ld1w3Llxb

      1 reply 0 retweets 3 likes
    5. Kevin Beaumont‏Verified account @GossiTheDog 26 Nov 2018
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      Replying to @frontier_anon @jeffwilsontech and

      Not really - if you transfer a project to another person and they turn out to be malicious, then nothing will stop that.

      1 reply 1 retweet 12 likes
    6. frontier_anon‏ @frontier_anon 26 Nov 2018
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      Replying to @GossiTheDog @tanepiper @wdormann

      If the owner transfers the project to someone else, the commit's verified signature tag would be gone unless the owner transferred his signing key too. https://help.github.com/articles/managing-commit-signature-verification/ …pic.twitter.com/eQhXDwzU59

      2 replies 1 retweet 4 likes
    7. Will Dormann‏ @wdormann 26 Nov 2018
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      • Report NetzDG Violation
      Replying to @frontier_anon @jeffwilsontech and

      How would that have prevented what happened in this case?

      1 reply 0 retweets 0 likes
    8. frontier_anon‏ @frontier_anon 26 Nov 2018
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      Replying to @wdormann @GossiTheDog @tanepiper

      git verify-commit & get verify-tag process the signature on the commit / tag. It might even throw an error for you or tell you a signature couldn't be verified, indicating tampering. Signature has to be there to check for ithttps://stackoverflow.com/questions/17371955/verifying-signed-git-commits …

      2 replies 0 retweets 0 likes
      Will Dormann‏ @wdormann 26 Nov 2018
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      Replying to @frontier_anon @jeffwilsontech and

      And in this alternate universe where the author had signed his code before GIVING THE REPO TO SOMEBODY ELSE, this code wouldn't have been affected? And nobody using npm would have received the malicious updates?

      4:21 PM - 26 Nov 2018
      1 reply 0 retweets 0 likes
        1. ECMAScript String Pusher‏ @tanepiper 26 Nov 2018
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          Replying to @wdormann @jeffwilsontech @GossiTheDog

          GitHub source code ≠ NPM publishing rights or even the same code

          0 replies 0 retweets 1 like
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