Re: [Plugins-writers] Bug in wsftp_file_path_parsing_dos.nasl (ID 14584) ?

From: George A. Theall (theall@private)
Date: Thu Oct 12 2006 - 13:21:30 PDT


On Thu, Oct 12, 2006 at 05:24:13PM +0100, Hubert Seiwert wrote:

> this plugin matches the ftp banner using the following:
> 
> if (egrep(pattern:"WS_FTP Server ([0-4]\.|5\.0\.[0-2][^0-9])", string: banner))
> 
> So this will fire on 5.0.0, 5.0.1, 5.0.2 but not 5.0.3 or 5.0.4.
> 
> According to http://www.securityfocus.com/bid/11065/ (which is one of the refs
> listed in the nasl), 5.0.3 and 5.0.4 (excluding 5.0.4 hotfix 1) are vulnerable.

I have no idea why SecurityFocus would claim 5.04 is affected. The
original advisory only mentions 5.02. And Ipswitch's changelogs for
WS_FTP state the fix was incorporated into 5.03; eg,

  http://www.ipswitch.com/support/ws_ftp-server/releases/wr503.asp

and Secunia also makes the same claim:

  http://secunia.com/advisories/12406

I'm updating the plugin with a link to the WS_FTP release note, but at
this point I don't agree that changing the banner check is the correct
thing to do.

George
-- 
theall@private
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