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Re: vsftpd download backdoored
From: Solar Designer <solar () openwall com>
Date: Tue, 5 Jul 2011 07:58:39 +0400

On Mon, Jul 04, 2011 at 10:31:07PM -0500, HD Moore wrote:
Thanks for the CC -- as a guess as to what happened; was this particular
mirror compromised

What mirror?  As far as I'm aware, from the announcement by Chris, only
the official distribution site for vsftpd was compromised.

and the original tarball modified (along with its
mtime) to match the original Feb 15th date?

Maybe.  Do you have a copy of the backdoored tarball?  I don't, and no
one on forums where I saw this discussed appears to have it (which
confirms that it existed for a very short period of time only).

Does anyone have a "we noticed it first" flag that is before July 3rd?

Not that I know of.

Debian (and most other repos) are storing the SHA-256/SHA1/MD5 of each
source package, so a Feb 15 date does seem incredible, but so does the
complete pwnage of a non-official mirror with the original mtime, at the
same moment as an official dist server compromise. A nightly rsync would
account for this, but we would need to know more about the mirror
structure from Chris.

Are you trying to say that Debian got the backdoored copy?  This is news
to me.

Thanks,

Alexander


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