Messages in this thread | | | From | (Alan Cox) | Subject | Re: Core dumps and being root | Date | Tue, 28 Jul 1998 00:11:13 +0100 (BST) |
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> Doesn't this open a huge security hole? Right now, a user can do the > following: > > ln -s some_other_file core > ./command_that_dumps_core > > and get a core dump in some_other_file. > > Now, suppose root can dump core. Then if there is a link from core to, say, > /etc/passwd, strategically located, and root dumps core in that directory... > > I don't think there is a problem if root core dumps were always placed in > /root/core, or some other "safe" location. But not the current directory.
Core dumps shouldnt follow symbolic links is a completely seperate issue and just as relevant for non setuid programs. Think about /tmp/core
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