full-disclosure - Re: PuTTY private key passphrase stealing attack

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Message-ID: <4C04A803.70008@halfdog.net>
Date: Tue, 01 Jun 2010 06:26:11 +0000
From: halfdog <me@...fdog.net>
To: Jan Schejbal <jan.mailinglisten@...glemail.com>
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: Re: PuTTY private key passphrase stealing attack

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Jan Schejbal wrote:
> PuTTY, a SSH client for Windows, requests the passphrase to the ssh key in the
> console window used for the connection. This could allow a malicious server to
> gain access to a user's passphrase by spoofing that prompt....

That seems to be the default for many ssh clients, you might want to look at
http://lists.mindrot.org/pipermail/openssh-unix-dev/2008-May/026416.html for
older discussion on that topic.

Regards, a dog

- -- 
http://www.halfdog.net/
PGP: 156A AE98 B91F 0114 FE88  2BD8 C459 9386 feed a bee
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