Public Key Authentication Bug

[Vincent Danen]

On Tue Jun 25, 2002 at 11:45:30AM -0400, Russell Elik Rademacher wrote:

>     I usually don't get involved in the mailing lists unless it is of a major
> importance.  Here is a new problem that came up with the 3.3.p1 version, which I
> already reported to the Mandrake Developers on their RPM build.  Basically, it
> boils down to this.
> 
>     In the Priv Seperation Mode or not, the public Key Authentication is
> throughly broken on all 3 versions of Keys, RSA1, RSA, and DSA versions.  It
> applies to SSH1 and SSH2.  This is reported on 7.2 version Mandrake with the
> 2.2. Kernel Build.  I am still working on testing it on the 2.4 Kernel Build to
> see how it works out on the Redhat.  This SSH Build have a patch from Solar
> Designer which is made to make it work on 2.2 Kernel.
> 
>     But other than that, the functionality of the SSH is perfect and working as
> usual.  Just no Public Key Authentication.

I don't think this has anything to do with Solar's patch.  You forgot
to mention that you were using Putty and F-Protect as clients (I think
F-Protect is the other you mentioned).

Before we put the Mandrake updates out, both public key and password
authentication were tested on all platforms, with 2.2 and 2.4 kernels
(using openssh as a client, not Putty or anything else).  Both forms
of authentication worked fine.

I still have to hop on a windows machine and test Putty with public
keys to see if I can reproduce your problem; without testing I can
only suspect that Putty and/or F-Protect are the problem, or that
something in openssh changed (doubtful) that prevents it from working
unless an openssh client is used.

As soon as I have a chance to test this, I'll post my findings.

-- 
MandrakeSoft Security; http://www.mandrakesecure.net/
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