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On Monday 09 October 2006 07:26, 7v5w7go9ub0o wrote: |
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> It is my understanding that dhcpcd client requires root or a |
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> privileged user. Am presently running dhcpcd in a chroot jail (ssp and |
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> grsecurity-hardened kernel) as user root (ugh). (This is a laptop used |
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> at hotspots, so I think I need to use dhcp). |
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> |
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> Other distributions distribute dhcpcd with a "paranoia" patch incorporated |
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> |
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> <http://www.episec.com/people/edelkind/patches/dhcp/dhcp-2.0+paranoia.patch |
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>> |
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> |
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> which allows the dropping of privilege and changing of user/group after |
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> startup. |
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> |
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> Questions: |
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> |
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> 1 Does Gentoo have an "official" way to apply this patch. |
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> |
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file a bug at bugs.gentoo.org and have it included for everyone. |
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|
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> 2 Presuming that it doesn't, I guess that I'll ebuild unpack: patch |
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> the source manually; ebuild merge !? |
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yes that will work. |
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|
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> |
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> 3. Are there other ways to deal with this potential vulnerability |
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> (privileged process listening on an open port (68) )? (e.g. using |
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> selfdhcp and effecting a manual connection?) |
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port forward to a higher port? use xinetd or tcpserver to listen. setup |
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selinux rules. Your patch is probably the best option though. |
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> |
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> TIA, newbie |
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|
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-- |
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Daniel Black <dragonheart@g.o> |
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Gentoo Foundation |
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-- |
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gentoo-hardened@g.o mailing list |
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