Bugtraq mailing list archives

RE: Security bug in CGI::Lite::escape_dangerous_chars() function


From: Hard Coder <hcoder () yahoo com>
Date: Wed, 12 Feb 2003 23:55:17 -0800 (PST)

Hello Ronald and all others

You might be correct with the issue of
escape_dangerous_chars but instead of the technic you
showed

open (SM, "|/usr/sbin/sendmail -f rfg $recipient");

I would use

open(SM, "|/usr/sbin/sendmail -oi -t") || die
"sendmail";
...
print SM "To: $recipient\n";

I think an attacker may cause less harm with this
approach even if escape_dangerous_chars is buggy.

HC

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