Messages in this thread | | | Date | Fri, 8 Sep 2006 03:22:01 +0200 | From | Bernd Eckenfels <> | Subject | Re: patch to make Linux capabilities into something useful (v 0.3.1) |
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On Fri, Sep 08, 2006 at 01:00:28AM +0200, Pavel Machek wrote: > If attacker already has priviledge foo, he can just go use it. He does > not have to exec() poor program not expecting to get priviledge foo, > then abusing it.
It is not about attackers. It is about normal usage. If you spawn a program, it might behave wrong since it does not know that it is priveledged. For example a network daemon might start a child process which interacts with the user, and forgets to drop priveldges for it.
> Sanitized here means "all regular capabilities set, all others > cleared".
Yes, however I thought this was exactly what the patch is not doing?
Gruss Bernd -- (OO) -- Bernd_Eckenfels@Mörscher_Strasse_8.76185Karlsruhe.de -- ( .. ) ecki@{inka.de,linux.de,debian.org} http://www.eckes.org/ o--o 1024D/E383CD7E eckes@IRCNet v:+497211603874 f:+49721151516129 (O____O) When cryptography is outlawed, bayl bhgynjf jvyy unir cevinpl! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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