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@Dnb@lemmy.dbzer0.com to Technology@beehaw.orgEnglish • 10 months ago

0.0.0.0 Day - 18 Yr Old Vulnerability Let Attackers Bypass All Browser Security

cybersecuritynews.com

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0.0.0.0 Day - 18 Yr Old Vulnerability Let Attackers Bypass All Browser Security

cybersecuritynews.com

@Dnb@lemmy.dbzer0.com to Technology@beehaw.orgEnglish • 10 months ago
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  • @tyler@programming.dev
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    26•10 months ago

    The article literally doesn’t explain the vulnerability at all.

    • @floofloof@lemmy.ca
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      10 months ago

      It keeps promising to, then goes off into more ChatGPT-style rambling. It’s a bad article. This one is more informative:

      https://www.oligo.security/blog/0-0-0-0-day-exploiting-localhost-apis-from-the-browser

      • @Kissaki@beehaw.org
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        10 months ago

        notably

        Windows is not impacted by this issue.

        quoting the main, critical part:

        1. Under public domain (.com), the browser sent the request to 0.0.0.0.
        2. The dummy server is listening on 127.0.0.1 (only on the loopback interface, not on all network interfaces).
        3. The server on localhost receives the request, processes it, and sends the response.
        4. The browser blocks the response content from propagating to Javascript due to CORS.

        This means public websites can access any open port on your host, without the ability to see the response.

    • @biscuitswalrus@aussie.zone
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      9•10 months ago

      I ended up reading it on bleeping computer since the linked site looks like an auto tldr bot saved 50% of the words. The important 50% was discarded.

      https://www.bleepingcomputer.com/news/security/18-year-old-security-flaw-in-firefox-and-chrome-exploited-in-attacks/

    • The Doctor
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      8•10 months ago

      Everybody who could explain it well is at Hacker Summer Camp right now.

      • @unconfirmedsourcesDOTgov@lemmy.sdf.org
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        4•10 months ago

        I didn’t realize DEFCON was this weekend already, but this is a solid point 😂

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