RE: <victim>server formmail.pl exploit in the wild

From: Benjamin Tomhave (falconat_private)
Date: Fri Apr 12 2002 - 16:34:23 PDT

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In the past 2 weeks I've had several of my web hosting servers hit with this
exploit, thanks to FormMail 1.6.  I simply chmod 000 the offending scripts
in the short-term, or let folks replace it with 1.9s, though I'm guessing
there are generic 1.9 versions out there, too.  Sources were from all over
the world, from aol.com to .tw and so on and so forth.

-----Original Message-----
From: Justin Shore [mailto:macdaddyat_private]
Sent: Friday, April 12, 2002 9:35 AM
To: Andrew Daviel; incidentsat_private
Subject: Re: <victim>server formmail.pl exploit in the wild


One of my servers had an old copy of formmail.cgi on it (1.6) a few weeks
ago which got that server listed in SpamCop.  Every single malicious use
of that cgi came from pacbell.net DSL customers.  Since upgrading to 1.9
we haven't had any trouble, yet <knock on wood>.  I would rather find a
PHP solution for form handling.

Justin

On 4/11/02 6:06 PM Andrew Daviel said...

>
>I've seen an attempt to exploit FormMail.pl version 1.9 (the latest
>official version), viz.
>
>Tue Apr  9 15:40:50 2002
>REMOTE_ADDR=172.190.98.15
>REQUEST_METHOD=POST
>REMOTE_PORT=2768
>HTTP_CACHE_CONTROL=no-cache
>REQUEST_URI=/cgi-bin/formmail.pl
>CONTENT_TYPE=application/x-www-form-urlencoded
>CONTENT_LENGTH=2153
>Count 1
>.
>
>We will show you how to not only make money online,
>..
>subject academics                         NyZ0f
>recipient
><a2888at_private>vancouver-webpages.com,<a28danat_private>vancouver-webpag
>es.com,
>etc.
>
>as per
>http://online.securityfocus.com/archive/1/252232
>
>I have also seen an extensive credit card fraud spam campaign aimed at AOL
>users exploiting the earlier vulnerability in FormMail.pl version 1.6
>
>
>Andrew Daviel, TRIUMF, Canada
>Tel. +1 (604) 222-7376
>securityat_private
>
>
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--
Justin Shore, ES-SS ES-SSR      Pittsburg State University
Network & Systems Manager       Kelce 157Q
Office of Information Systems   Pittsburg, KS 66762
Voice: (620) 235-4606           Fax: (620) 235-4545
http://www.pittstate.edu/ois/

Warning:  This message has been quadruple Rot13'ed for your protection.


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Next message: Brenna Primrose: "Strange scans"
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