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Re: SSH Exploit Request


From: Vladimir Parkhaev <vladimir () arobas net>
Date: Sat, 15 Nov 2003 20:56:51 -0500

Quoting Valdis.Kletnieks () vt edu (Valdis.Kletnieks () vt edu):

And yes, *your* ssh can still go away if something else does a runaway and runs
the system out of swap space. Although many vendors have an out-of-memory
handler that does the best thing most of the time, none of them do the best
thing ALL the time. And even if it doesn't, the system may be simply thrashing
itself to death but *not* actually killing anything..

<more end-of-the-world-scenarios deleted>

Valdis, you forgot to mention some other cases in which 
upgrading SSH can take down a production server. Those include:

1. Upgarding SSH while having sex.
2. Droping a server in a bathtub full of hot water right after the upgrade.
3. Aliasing 'sshd' to '\rm -rf /' ans typing sshd.
and many many more...

The fact is, upgrading sshd (not XYZ!) does not require reboot and does
not affect any other processes that server runs. If you don't beleive
me, just... try it :)



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