[UNIX] Multiple Extensions Vulnerability in phpBB Attachment Mod
From: SecuriTeam (support_at_securiteam.com)
To: firstname.lastname@example.org Date: 28 Dec 2004 16:45:44 +0200
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
- - promotion
The SecuriTeam alerts list - Free, Accurate, Independent.
Get your security news from a reliable source.
- - - - - - - - -
Multiple Extensions Vulnerability in phpBB Attachment Mod
The <http://www.opentools.de/> phpBB Attachment Mod is a "file upload
module for phpBB". However, an input validation flaw in phpBB's Attachment
Mod allows a malicious attackers to run arbitrary commands with the
privileges of the HTTPD process, which is typically run as the nobody
* phpBB's Attachment Mod version 2.3.10 and prior
* phpBB's Attachment Mod version 2.3.11 or newer
phpBB's Attachment Mod doesn't implemented any type of check for multiple
extensions of uploaded files, e.g. attack.php.rar. Therefore, malicious
attackers can upload arbitrary script files (PHP, pl, CGI, etc) to a web
server. This is vulnerability is caused by Apache's MIME module
(mod_mime), which regards attack.php.rar as a normal PHP file and execute
the file through mod_php module with the privilege of the HTTPD process.
2004-12-08 Vulnerability found
2004-12-08 Attachment Mod developer notified
2004-12-13 Update version released
2004-12-15 Official release
The information has been provided by <mailto:email@example.com>
This bulletin is sent to members of the SecuriTeam mailing list.
To unsubscribe from the list, send mail with an empty subject line and body to: firstname.lastname@example.org
In order to subscribe to the mailing list, simply forward this email to: email@example.com
The information in this bulletin is provided "AS IS" without warranty of any kind.
In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.