phlyLabs phlyMail Lite 4.03.04 (go param) Open Redirect Vulnerability

vendor:

phlyMail Lite

by:

Gjoko 'LiquidWorm' Krstic

4,3

CVSS

MEDIUM

Open Redirect Vulnerability

601

CWE

Product Name: phlyMail Lite

Affected Version From: Lite 4.03.04

Affected Version To: Lite 4.03.04

Patch Exists: NO

Related CWE: N/A

CPE: a:phlylabs:phlymail_lite

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Microsoft Windows 7 Ultimate SP1 (EN), Apache 2.4.2 (Win32), PHP 5.4.4, MySQL 5.5.25a

2013

phlyLabs phlyMail Lite 4.03.04 (go param) Open Redirect Vulnerability

Input passed via the 'go' parameter in 'derefer.php' script is not properly verified before being used to redirect users. This can be exploited to redirect a user to an arbitrary website e.g. when a user clicks a specially crafted link to the affected script hosted on a trusted domain.

Mitigation:

Input validation should be performed to ensure that the 'go' parameter is a valid URL.

Source

Exploit-DB raw data:

phlyLabs phlyMail Lite 4.03.04 (go param) Open Redirect Vulnerability


Vendor: phlyLabs
Product web page: http://www.phlymail.com
Affected version: Lite 4.03.04

Summary: phlyMail offers you an interface in the browser to have access
to your emails, contacts, appointments, tasks, files and bookmakrs from
anyhwere, where you have internet access. This can be your home, workplace,
train station, abroad, offroad, in the woods or your own backyard.

Desc: Input passed via the 'go' parameter in 'derefer.php' script is not
properly verified before being used to redirect users. This can be exploited
to redirect a user to an arbitrary website e.g. when a user clicks a specially
crafted link to the affected script hosted on a trusted domain.


-----------------------------------------------------------------------
/frontend/derefer.php:
----------------------

33: if (!isset($_REQUEST['go'])) exit;
34: $go = preg_replace('!\r|\n|\t!', '', $_REQUEST['go']);
35: if (strlen($go) == 0) exit;
36: if (!preg_match('!^(http://|https://|ftp://)!', $go) && $go{0} != '/') $go = 'http://'.$go;
37:
38: header('Location: '.$go);
39: exit;

-----------------------------------------------------------------------


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-2013-5123
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2013-5123.php


13.01.2013

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http://localhost/frontend/derefer.php?go=zeroscience.mk