Assume your GitHub account is hacked, users with weak crypto keys told

    Date04 Jun 2015
    CategoryHacks/Cracks
    4226
    Posted ByAlex
    GitHub has revoked an unknown number of cryptographic keys used to access accounts after a developer found they contained a catastrophic weakness that came to light some seven years ago. The keys, which allow authorized users to log into public repository accounts belonging to the likes of Spotify, Yandex, and UK government developers, were generated using a buggy pseudo random number generator originally contained in the Debian distribution of Linux. During a 20-month span from 2006 to 2008, the pool of numbers available was so small that it made cracking the secret keys trivial. Almost seven years after Debian maintainers patched the bug and implored users to revoke old keys and regenerate new ones, London-based developer Ben Cartwright-Cox said he discovered the weakness still resided in a statistically significant number of keys used to gain secure shell (SSH) access to GitHub accounts.
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