exim-dev at spodhuis
Jun 8, 2009, 3:29 PM
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[Bug 852] Do not reset hard limit for coredump size
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http://bugs.exim.org/show_bug.cgi?id=852
Phil Pennock <exim-dev[at]spodhuis.org> changed:
What |Removed |Added
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--- Comment #1 from Phil Pennock <exim-dev[at]spodhuis.org> 2009-06-08 23:29:43 ---
We already have bug 834 in which I provided a patch to implement a
permit_coredump option on pipe transports, where this does work.
If you're permitting coredumps to be raised by using the soft limit, then
there's a security issue when Exim has read in getpwent data with passwords (on
various systems) or other cases where it still has this sort of data in memory;
then once it has setuid() to an end-user, the end-user triggers a core-dump
(via signal). Thus changing the option globally like this seems a bad idea.
I for one would be happier if this was changed to add a
system_filter_permit_coredump option and recoded to limit the situations in
which a core-dump can happen.
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[Bug 852] Do not reset hard limit for coredump size