From owner-freebsd-security@FreeBSD.ORG Fri Dec 9 12:24:41 2011 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B5A5E106564A for ; Fri, 9 Dec 2011 12:24:41 +0000 (UTC) (envelope-from gabor@zahemszky.hu) Received: from default-smtp.integrity.hu (default-smtp.integrity.hu [212.52.165.203]) by mx1.freebsd.org (Postfix) with ESMTP id 6EBF28FC12 for ; Fri, 9 Dec 2011 12:24:41 +0000 (UTC) Received: by smtp.integrity.hu (Postfix, from userid 10000) id 1F1A1134678D; Fri, 9 Dec 2011 13:24:40 +0100 (CET) Received: from webmail2.integrity.hu (mail-fe-1.integrity.hu [10.1.64.120]) (Authenticated sender: gabor@zahemszky.hu) by smtp.integrity.hu (Postfix) with ESMTPA id 79A761346707 for ; Fri, 9 Dec 2011 13:24:39 +0100 (CET) Received: from M2s+KtN04talJ9t9azN057FB+ZVZ7PTER5laDTQ/5qi8hVicX2C4bA== (uPHzQytkKCXOltmF39jd8IAxrEecM26P) by webmail2.integrity.hu with HTTP (HTTP/1.1 POST); Fri, 09 Dec 2011 13:24:39 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Fri, 09 Dec 2011 13:24:39 +0100 From: gabor@zahemszky.hu To: In-Reply-To: <4EE1C933.4020001@rdtc.ru> References: <4ED68B4D.4020004@sentex.net> "<4ED69B7E.50505@frasunek.com>" <4ED6C3C6.5030402@delphij.net> "<4ED6D1CD.9080700@sentex.net>" <4ED6D577.9010007@delphij.net> "\"<4ED6DA75.30604@sentex.net>" <4EE131B8.7040000@sentex.net>" <4EE1C933.4020001@rdtc.ru> Message-ID: X-Sender: gabor@zahemszky.hu User-Agent: Roundcube Webmail/0.5.1 X-Virus-Scanned: clamav-milter 0.97 at mail-autosubmit X-Virus-Status: Clean Subject: Re: ftpd security issue ? X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Dec 2011 12:24:41 -0000 On Fri, 09 Dec 2011 15:39:15 +0700, Eugene Grosbein wrote: > 09.12.2011 15:25, Xin LI пишет: >> On Fri, Dec 9, 2011 at 12:04 AM, wrote: >>> Hi! >>> >>> Are the following steps enough to prevent me? >>> >>> # for user in user1 user2 .... ; do >>> mkdir -p ~$user/lib ~$user/usr/lib ~$user/etc >>> chflags sunlink,schg ~$user/lib ~$user/usr ~$user/usr/lib >>> ~$user/etc >>> done >>> # >> >> Yes that should be sufficient workaround. > > Why /lib and /usr/lib only? ??? /lib, /usr/lib and /etc. Which directory is missing? Gábor < Gabor at Zahemszky dot HU >