[UNIX] PHP-Nuke WebMail Command Execution Vulnerability (Mailattach)
From: SecuriTeam (support_at_securiteam.com)
Date: 10/09/03
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To: list@securiteam.com Date: 9 Oct 2003 16:05:47 +0200
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PHP-Nuke WebMail Command Execution Vulnerability (Mailattach)
------------------------------------------------------------------------
SUMMARY
<http://www.phpnuke.org> PHP-Nuke is an open-source program for creating
and managing news-based Web sites created by Francisco Burzi. PHP-Nuke
could allow a remote attacker to include malicious PHP files, caused by a
vulnerability in the WebMail module and all other modules with the ability
to upload files.
DETAILS
Vulnerable systems:
* PHP-Nuke version 6.0
* PHP-Nuke version6.5
A remote attacker can send a specially crafted URL request to the
mailattach.php script that specifies a malicious PHP file from a remote
system as a parameter, which would allow the attacker to execute code on
the vulnerable Web server, and possibly obtain a user's database password.
Vulnerable code:
From mailattach.php file:
if (isset($userfile) AND $userfile != "none") {
if (ini_get(file_uploads) AND $attachments == 1) {
$updir = "tmp";
@copy($userfile, "$updir/$userfile_name");
ADDITIONAL INFORMATION
The information has been provided by <mailto:leseulfrog@hotmail.com> Frog
Man.
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