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rootkovska's profile
Joanna Rutkowska
Joanna Rutkowska
Joanna Rutkowska
Verified account
@rootkovska

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Joanna RutkowskaVerified account

@rootkovska

Strategy & security at @golemproject. Previously: founder of @QubesOS and Invisible Things Lab. Distrusts computers.

Warsaw
blog.invisiblethings.org
Joined July 2014

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    1. Joanna Rutkowska‏Verified account @rootkovska Oct 30

      Joanna Rutkowska Retweeted Semmle

      I really wish macOS implemented something like @QubesOS' netvm(s) at some point... /cc @radian @XenoKovahhttps://twitter.com/SemmleInc/status/1057351261123739648 …

      Joanna Rutkowska added,

      Semmle @SemmleInc
      A video demonstrating the latest highly critical macOS & iOS security vulnerability CVE-2018-4407: https://www.youtube.com/watch?v=aV7yEemjexk … Here are the details: https://semmle.com/news/apple-xnu-kernel-icmp-nfs-vulnerabilities … #SemmleQL #variantanalysis
      5 replies 15 retweets 70 likes
      Show this thread
    2. Jann Horn‏ @tehjh Oct 30
      Replying to @rootkovska @QubesOS and

      would that actually help? wouldn't a netvm still be able to trigger this kind of attack surface in connected VMs?

      1 reply 0 retweets 0 likes
    3. Joanna Rutkowska‏Verified account @rootkovska Oct 30
      Replying to @tehjh @QubesOS and

      Even if -- I'd rather have my netvm exploiting a bunch of connected VMs, while still preserving those which are non-connected, or connected to other netvms (not to mention dom0/GUI), than having my whose system being pwnd/crashed. Don't you agree?

      1 reply 0 retweets 2 likes
    4. Jann Horn‏ @tehjh Oct 30
      Replying to @rootkovska @QubesOS and

      well - yeah, but that's only really useful if the user actually separates their data into multiple VMs already

      1 reply 0 retweets 0 likes
      Joanna Rutkowska‏Verified account @rootkovska Oct 30
      Replying to @tehjh @QubesOS and

      I agree it's tricky to make full use of netvms, while preserving seamless UX.

      5:20 PM - 30 Oct 2018
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Joanna Rutkowska‏Verified account @rootkovska Oct 30
          Replying to @rootkovska @tehjh and

          But then again, if you're Apple you don't need to run full VMs -- rather you could containerize just parts of the stacks into VT containers, so no replication of attack vectors downstream.

          1 reply 2 retweets 4 likes
        3. Joanna Rutkowska‏Verified account @rootkovska Oct 30
          Replying to @rootkovska @tehjh and

          i.e. in the "VM" connected to your "netvm" you don't need to replicate the whole low-level networking stack which you have in your world-facing "netvm" (like 802.11, lower parts of TCP/IP).

          0 replies 0 retweets 0 likes
        4. End of conversation

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