55 lines
2 KiB
Plaintext
55 lines
2 KiB
Plaintext
From sbeck@gossamer-threads.com Sat Oct 9 00:36:20 2004
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Delivered-To: guy-ezmlm@rucus.net
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by gossamer.nmsrv.com with (RC4-MD5 encrypted) SMTP; 8 Oct 2004 22:36:00 -0000
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Subject: Mail::Ezmlm tainting
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From: Scott Beck <sbeck@gossamer-threads.com>
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To: Guy Antony Halse <guy-ezmlm@rucus.net>
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Content-Type: text/plain
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Organization: Gossamer Threads
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Message-Id: <1097274969.15328.32.camel@sbeck.office.gossamer-threads.com>
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Mime-Version: 1.0
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X-Mailer: Ximian Evolution 1.4.6
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Date: Fri, 08 Oct 2004 15:36:09 -0700
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Content-Transfer-Encoding: 7bit
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Status: RO
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Content-Length: 810
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Hi,
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I just ran into a taint problem with Mail::Ezmlm on one of our servers.
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In Mail/Ezmlm.pm you have a sub _checkaddress which validates an email
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address that is passed off to system, however to just verify the address
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is not enough for perl's -T tests. You must reassign it to a capture
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from a regex. Here is a version of the function that fixes this (a
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little hacky).
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sub _checkaddress {
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my($self, $address) = @_;
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return 1 unless defined($address);
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return 0 unless($address =~ /^(\S+\@\S+\.\S+)$/);
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$_[1] = $1;
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return 1;
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}
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Cheers,
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Scott
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--
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-------------------- Gossamer Threads Inc. ----------------------
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Scott Beck Email: scott@gossamer-threads.com
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Lead Software Developer Phone: (604) 687-5804
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http://www.gossamer-threads.com Fax: (604) 687-5806
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