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Date:      Sun, 02 Mar 2008 01:48:17 +0100
From:      Dan Lukes <dan@obluda.cz>
To:        Eygene Ryabinkin <rea-fbsd@codelabs.ru>
Cc:        freebsd-security@freebsd.org, sipherr@gmail.com
Subject:   Re: *BSD user-ppp local root (when conditions permit)
Message-ID:  <47C9F951.3090408@obluda.cz>
In-Reply-To: <eJwztaR4hgj0LBOZtN1f3kC2qd8@49l6neKHPg6j4SHeejH198Klzys>
References:  <20080229163903.3680.qmail@securityfocus.com> <eJwztaR4hgj0LBOZtN1f3kC2qd8@49l6neKHPg6j4SHeejH198Klzys>

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Eygene Ryabinkin napsal/wrote, On 03/02/08 00:06:
>> 1. Run ppp
>> 2. type the following (or atleat some variation of)
...

> Yes, good catch: looks like stack-based buffer overflow

> Could you please test the following rough patch

It seems you are going to cut of part of line silently.

IMHO - the line shall be rejected as invalid at all or warning needs to 
be issued at least ...

Someone may create so long line (unintentionally), it will not work for 
him with no hint why - it's not so polite ...

				Dan



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