Date: Tue, 2 Oct 2012 14:38:17 +0200 From: Erik Cederstrand <erik@cederstrand.dk> To: Eitan Adler <lists@eitanadler.com> Cc: Konstantin Belousov <kostikbel@gmail.com>, "freebsd-security@freebsd.org" <freebsd-security@freebsd.org> Subject: Re: Opinion on checking return value of setuid(getuid())? Message-ID: <ECC8690A-9B5D-41FB-BF1D-CC170147BEEC@cederstrand.dk> In-Reply-To: <CAF6rxgmKWfefr5tvM3-0PQM3EKWockkb8A4sCiyYekxs5b4fGA@mail.gmail.com> References: <9DD86238-51C8-4F38-B7EB-BD773039888B@cederstrand.dk> <20121001104901.GJ35915@deviant.kiev.zoral.com.ua> <F81C009D-F993-4398-B377-D0B4A0ABA7E3@cederstrand.dk> <20121001110805.GL35915@deviant.kiev.zoral.com.ua> <CAF6rxgmKWfefr5tvM3-0PQM3EKWockkb8A4sCiyYekxs5b4fGA@mail.gmail.com>
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Den 01/10/2012 kl. 13.55 skrev Eitan Adler <lists@eitanadler.com>: > On 1 October 2012 07:08, Konstantin Belousov <kostikbel@gmail.com> = wrote: >> I do not believe in the dreadful 'flood ping' security breach. Is a >> local escalation possible with non-dropped root ? >=20 > It is clearly a local escalation: a non-root user can do something > which was intended only for root. It is a different question how > serious the breach is. Are there any objections to the path I attached in my first post? To the = approach in general? If not, I'll send a PR so it doesn't get lost. Thanks, Erik=
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