Timo Sirainen a écrit :
2a) mbox: Any files/directories under mail group-writable directories
can be created/deleted/renamed by symlinking the directory under
~/mail/. For example ln -s /var/mail ~/mail/var, DELETE var/root will
happily delete root's mailbox. This I hadn't thought about before.
Not if /var/mail is set sticky, which is the case on all good modern
Unix systems:
Right. That's why it was included in the workarounds. :)
Anyway I also thought that /var/mail would be sticky in at least some
systems. I couldn't find a single one. CentOS 5, Debian, FreeBSD 6.2,
Solaris 10 none have it sticky by default.
All our Debian Sarge and Etch systems (with Sendmail and procmail
packages) have /var/mail sticky by default, we didn't modify it ourselves.
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