Messages in this thread | | | Date | Tue, 9 Aug 2005 15:24:41 -0700 | From | Chris Wright <> | Subject | Re: capabilities patch (v 0.1) |
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* Bodo Eggert (7eggert@gmx.de) wrote: > 1) I wouldn't want an exploited service to gain any privileges, even by > chaining userspace exploits (e.g. exec sendmail < exploitstring). For > most services, I'd like CAP_EXEC being unset (but it doesn't exist).
Don't let it exec things it shouldn't. This can be done with namespaces or for finer-grained, that is what smth like SELinux is made for.
> 2) There are environments (linux-vserver.org) which limit root to a subset > of capabilities. I think they might use that feature, too. Off cause a > simple "suid bit" == "all capabilities" scheme won't work there.
IIRC, they effectively use the bounded set as per-context. So it'd not make any difference there.
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