bugtraq - CVE-2017-12544 XSS on HPE System Management Homepage v7.6.0.11 and minor

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Message-ID: <pFK1_IixcTZGNYl70JE_-vc_mzyDK64_LKbmGYq1sDixxA7O4KvXV9UwXt0JXRmSd-92W5nVfAzFawJrwwZ3JZQ19Un8zpJKT0kaNChvNno=@protonmail.com>
Date: Thu, 01 Mar 2018 11:18:05 -0500
From: spinfoo <spinfoo@...tonmail.com>
To: "bugtraq@...urityfocus.com" <bugtraq@...urityfocus.com>,
  "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>
Subject: CVE-2017-12544 XSS on HPE System Management Homepage v7.6.0.11 and minor

Product: HPE System Management Homepage
Versions: 7.6.0.11 and minor versions
Vulnerability: JavaScript Injection in file gsearch.php, parameter prod
OWASP TOP 10: A1 Injection
Type: Javascript Injection
Impact: Allows an attacker to perform an XSS (Cross-Site Scripting) attack, execute arbitrary JavaScript client-side, steal admin credentials, etc

Access Vector: Adjacent Networks
Access Complexity: Low
Authentication: None

CVE-2017-12544

Intro
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The HP System Management Homepage (SMH) is a web-based interface that consolidates and simplifies the management of ProLiant and Integrity servers running Microsoft Windows or Linux, or HP 9000 and HP Integrity servers running HP-UX 11i. By aggregating data from HP Insight Management Agents and other tools, SMH provides a secure and intuitive interface to review in-depth hardware configuration and status data, performance metrics, system thresholds and software version control information.

The risk is high because this software is used in HP Windows and Linux servers. Actually there are many banking clients affected among other critical industries.

The attacker can trigger this vulnerability without authentication.

There is a JavaScript injection in file gsearch.php.en that affects form parameter prod sent over GET method, exactly in this line:

var prodName = '<?php echo $prodName; ?>';

That allows arbitrary javascript client-side execution and XSS attacks because quotes are not escaped, and an attacker is able to inject directly JavaScript code with optional embedded HTML entities that are executed and rendered in victim's browser.

Proof of concept
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

https://192.168.1.103:2381/gsearch.php.en?prod=%27%3beval%28alert%28%22uppps%22%29%29%3b%27

Fix
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

var prodName = '<?php echo htmlentities($prodName); ?>';

Credits
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Special thanks to Abelardo Suira for helping me to setup the environment and HPE for their support fixing the vulnerability.

Jacobo Avariento <spinfoo@...tonmail.com>
http://spinfoo.ninja

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