Erling Ellingsen

@steike

ex-fb prodsec

Oslo, Norway
alf.nu
Tilmeldt august 2008
10 billeder og videoer Billeder og videoer

Tweets

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  1. Fastgjort tweet
    23. feb. 2017

    Make your own colliding PDFs:

    6 svar 295 retweets 280 likes
    Fortryd
  2. 9. aug. 2018

    Ooh! On DOS, this was a much faster way to allocate space than writing zeros—but you would get whatever was on disk (so, random data from deleted files). This led to an early privacy panic when private data turned up inside the cache files of some online service client… Prodigy?

    I learnt about ✨file holes✨ on Unix!
    4 likes
    Fortryd
  3. 22. maj 2018

    Someone should set up a meta-tags-as-a-service company that keeps track of all the new browser features and automatically opts your site out of the ones that create unnecessary attack vectors

    This is a bad idea.
    1 svar 2 retweets 6 likes
    Fortryd
  4. retweetede
    3. apr. 2018

    Do I even want to know why Debian has a security update for beep(1) today?

    34 svar 427 retweets 1.073 likes
    Fortryd
  5. 13. mar. 2018

    This is so great. Also, to save some work: If you have a crazy hetereogenous setup, it's enough to automate the setup for one domain. You can CNAME _acme-challenge.[everything else] to that (once) and just serve all the TXT records from there (extra garbage is ignored)

    Let's Encrypt wildcard certificates and ACMEv2 are available today! More information can be found here:
    3 likes
    Fortryd
  6. 16. feb. 2018

    Online shopping is a lot easier when you take into account that (1) humans make systems (2) reliably comparing free-format street addresses is a difficult but unsexy problem

    1 retweet 5 likes
    Fortryd
  7. 7. jan. 2017

    Posted four old browser bugs and a new one

    1 svar 36 retweets 53 likes
    Fortryd
  8. 24. nov. 2016

    today

    Fortryd
  9. 24. nov. 2016

    In progress. and are back up, soon.

    Any plans to revive ? I can't get it to work through .
    1 svar 1 retweet 9 likes
    Fortryd
  10. 28. aug. 2016

    Oh hey, that's CVE-2011-3441! (except on iOS no extra tricks were needed, just 1.2.3.4%20.victim.㏄ and get cookies)

    Blogged again! Explaining same origin policy bypass in Firefox (CVE-2015-7188) thanks to quirk in IP address parsing
    1 retweet 3 likes
    Fortryd
  11. 11. aug. 2016

    It looks like the same solution should work in all the modern browsers with small modifications. This is surprising.

    Svarer @steike
    And by the way - are you going to perhaps provide us with some hint for random4? ;)
    1 svar 1 like
    Fortryd
  12. 3. aug. 2016

    Had a bunch of alert(1)-to-win levels left over that weren't really security related. General ecmascript golf time!

    1 svar 14 retweets 18 likes
    Fortryd
  13. 7. apr. 2016

    Is your entire domain 'X-Frame-Options: DENY', but not your error pages? Now's as good a time as any to fix it… (iframe UXSS in Safari)

    2 svar 4 retweets 15 likes
    Fortryd
  14. 18. mar. 2016

    We gave the whole internet keys so airport security won't break open your luggage. They do anyway. In other news, an FPGA dev kit is a bomb.

    1 retweet 3 likes
    Fortryd
  15. 10. mar. 2016

    "Can you please provide me the last 4 characters of the cPanel password to verify ownership of the account?" - cc :-)

    1 svar 1 like
    Fortryd
  16. 7. feb. 2016

    fin-fin wifi, men utløpt sertifikat på . Bonus om den kan bli synlig i DNS for de som bruker ⒏⒏⒏8 e.l

    1 svar
    Fortryd
  17. 15. dec. 2015

    @Fridababy_HQ assuming you don't have an online phramacy seo side business, your web server is hacked

    Fortryd
  18. 5. okt. 2015

    "Code cleanup and fixes"

    1 svar 2 retweets 1 like
    Fortryd
  19. retweetede
    10. sep. 2015

    Slides for my talk about FireEye:

    6 svar 257 retweets 168 likes
    Fortryd
  20. 22. jun. 2015
    Svarer

    @JamEngulfer221 Sort of. Each user gets a sandbox branch. Hmm, I guess there should be a way to request a merge...

    1 svar
    Fortryd

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