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Piwigo 2.4.6 Arbitrary File Read / Delete Vulnerabilities
[Piwigo 2.4.6 (install.php) Remote Arbitrary File Read/Delete Vulnerability
Vendor: Piwigo project
Product web page: http://www.piwigo.org
Affected version: 2.4.6
Summary: Piwigo is a photo gallery software for the web that comes
with powerful features to publish and manage your collection of
pictures.
Desc: Input passed to the 'dl' parameter in 'install.php' script
is not properly sanitised before being used to get the contents of
a resource or delete files. This can be exploited to read and delete
arbitrary data from local resources with the permissions of the web
server via directory traversal attack.
====================================================================
/install.php:
-------------
113: if (!empty($_GET['dl']) && file_exists(PHPWG_ROOT_PATH.$conf['data_location'].'pwg_'.$_GET['dl']))
114: {
115: $filename = PHPWG_ROOT_PATH.$conf['data_location'].'pwg_'.$_GET['dl'];
116: header('Cache-Control: no-cache, must-revalidate');
117: header('Pragma: no-cache');
118: header('Content-Disposition: attachment; filename="database.inc.php"');
119: header('Content-Transfer-Encoding: binary');
120: header('Content-Length: '.filesize($filename));
121: echo file_get_contents($filename);
122: unlink($filename);
123: exit();
124: }
====================================================================
Tested on: Microsoft Windows 7 Ultimate SP1 (EN)
Apache 2.4.2 (Win32)
PHP 5.4.4
MySQL 5.5.25a
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience
Advisory ID: ZSL-2013-5127
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2013-5127.php
Vendor Patch: http://piwigo.org/bugs/view.php?id=2843
15.02.2013
--
http://localhost/piwigo/install.php?dl=../../../../../../lio_passwords.txt
# 0day.today [2024-11-15] #