I always figured that if there were a blatant security
violation by a CPAN author, that I would be safe because
someone would notice the problem before I got burned
by it. That has indeed happened
and now you are being
The nature of this security violation is that the module
author executes arbitrary code on your computer. Anyone
who can spoof the module owner's web server can also
execute arbitrary code during the module installation.
The problem is in the Makefile.PL, which gets arbitrary
code from the web server at perl.4pro.net and
executes the code.
My strategy for installing perl modules is to never
do so as root, and to never modify /usr/bin/perl.
I think that this strategy has now been vindicated!
Here are modules with the problem:
To check if you have any of these modules, you can
search your perl tree for the author name
Here is the current list on CPAN:
Update:A security fix has been proposed
by the module author and should be available in a few
It should work perfectly the first time! - toma
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