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From: auto68182 at hushmail.com (auto68182@...hmail.com)
Subject: Re: iDEFENSE Security Advisory 01.28.03: SSH2 Clients Insecurely Store Passwords

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> II. DESCRIPTION
>
> AbsoluteTelnet, SecureCRT, Entunnel, SecureFx, and PuTTY do not properly
> scrub memory allowing an attacker with access to memory or a memory dump
> to retrieve authentication information.
>
> When connected via SSH2, an attacker can search memory or a memory dump
> for logon credentials. Passwords transmitted by PuTTY can be found by
> searching for the second occurrence of the string "password:". The user's
> password is stored in plaintext shortly after this string. Passwords
> transmitted by SecureCRT can be found by searching for the string
> "ssh-connection". The logon and password is stored in plaintext on the
> respective sides of this keyword. Passwords transmitted by AbsoluteTelnet
> can be found by searching for the first occurrence of the string
> "Password", that lies in a segment of read/write memory. The logon and
> password is stored in plaintext on the respective sides of this keyword.


Gee, that's a handy vulnerability.  Guess what - if I can read an FTP
daemon's memory I can recover usernames and passwords too, and
encrypted password hashes.  If I'm in a windows box and I can dump
the putty process's memory I bet you I could just install a keystroke
logger anyway.

Did someone sell you this 'hole' iDefense ?  If so I have a number
of similar ones for sale..
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