[pkg-dhcp-devel] Bug#672232: Bug#672232: Re isc-dhcp-client: method to ignore settings provided by the server

Michael Gilbert mgilbert at debian.org
Sun Nov 29 22:36:32 UTC 2015


control: tag -1 upstream
control: tag -1 -security
control: forwarded -1 ISC bug #35631
control: retitle -1 dhclient adopts dhcp server's settings despite
them not being "request"ed

On Sun, Nov 29, 2015 at 2:42 PM, Christoph Anton Mitterer wrote:
> supersede isn't really of any help here since a) it doesn't seem to
> properly work in all places, and b) one cannot use it do just "unset" a
> server provided value (i.e. using the empty string or so doesn't work).

The syntax may very well be a bit odd, but a few minutes of
intellectual poking with supersede leads to a simple solution for all
of the problems mentioned so far.  That is left as an exercise for the
astute reader.

Please feel free to add the security tag once your request for a CVE
id goes through.  For now, since there are simple workarounds, and
given that this is an upstream design flaw rather than a
Debian-specific issue, further effort on solving it should go there.
Good luck!

Best wishes,
Mike



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