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 :: Mailing Lists

[ILUG] serious openssl/openssh hole found

[ILUG] serious openssl/openssh hole found

Justin Mason jm at jmason.org
Wed May 14 11:38:30 IST 2008


Luke Ashe-Browne writes:
> I have an ssl cert on my web server i've been running for over a year
> and a half (dapper drake) and this should remain unaffected?
> libssl 0.9.8a, I won't have to patch and regenerate?

actually it looks like you probably will :(


Regarding Openssh -- it's *really* serious.  Since the only entropy used
was from getpid(), affected versions of openssh can only generate 1 of
262148 keys.  See:

    http://it.slashdot.org/comments.pl?sid=551636&cid=23394336

Obviously that is a trivial keyspace to brute-force. Upgrade and regen
keys *immediately*, folks!!

See also http://wiki.debian.org/SSLkeys for details of how to test your
SSH keys for vulnerability.

--j.



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