Date: Wed, 30 Nov 2011 20:37:57 -0500 From: Mike Tancsa <mike@sentex.net> To: d@delphij.net Cc: "freebsd-security@freebsd.org" <freebsd-security@freebsd.org>, Xin LI <delphij@delphij.net>, Przemyslaw Frasunek <przemyslaw@frasunek.com> Subject: Re: ftpd security issue ? Message-ID: <4ED6DA75.30604@sentex.net> In-Reply-To: <4ED6D577.9010007@delphij.net> References: <4ED68B4D.4020004@sentex.net> <4ED69B7E.50505@frasunek.com> <4ED6C3C6.5030402@delphij.net> <4ED6D1CD.9080700@sentex.net> <4ED6D577.9010007@delphij.net>
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On 11/30/2011 8:16 PM, Xin LI wrote: > > Sorry I patched at the wrong place, this one should do. > > Note however this is not sufficient to fix the problem, for instance > one can still upload .so's that run arbitrary code at his privilege, > which has to be addressed in libc. I need some time to play around > with libc to really fix this one. Hi, Yes, that looks better! With respect to users uploading .so files, I guess why not just upload executables directly ? Although I suppose if they are not allowed to execute anything, this would be a way around that. Now to prod the proftpd folks ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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