But can the attacker?

Why not?  If the attacker can run ./foo, s/he can almost certainly also run /usr/bin/perl /tmp/foo.  Actually, it's more than likely that someone uploading something to /tmp (which can be expected to be mounted noexec) would try this in the first place...

In reply to Re^6: perl pre-execution hook by Anonyrnous Monk
in thread perl pre-execution hook by logix

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