bugtraq - Re: Gaim festival plugin exploit

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Message-ID: <047601c3974d$412f9820$0b0a000a@trudellmed.com>
Date: Mon, 20 Oct 2003 17:00:55 -0400
From: "Randal L. Schwartz" <merlyn@...nehenge.com>
To: <pheath@...dellmed.com>
Cc: <bugtraq@...urityfocus.com>, <full-disclosure@...ts.netsys.com>
Subject: Re: Gaim festival plugin exploit

>>>>> "HCTITS" == HCTITS Security Division <security@...ancentrictech.com> writes:

HCTITS> DUH... would help if I attached my attachment.

Is this is repeat?  I'm going to repeat myself then.

YOUR FIX DOES NOT HELP.  Please use my posted fix.

>> system("echo \"$string\" | /usr/bin/festival --tts");

Replace this with

        open FEST, "|/usr/bin/festival --tts";
        print FEST $string, "\n";
        close FEST;

No shells involved.  Only DOS exploits and maybe the usual
C-language overflows in festival itself.

-- 
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn@...nehenge.com> <URL:http://www.stonehenge.com/merlyn/>
Perl/Unix/security consulting, Technical writing, Comedy, etc. etc.
See PerlTraining.Stonehenge.com for onsite and open-enrollment Perl training!

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