Egroupware 1.8.002 Cross Site Scripting

2012-04-06 / 2012-11-23
Credit: Marcos Garcia
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

Egroupware v1.8.002 (process_exec.php) Reflected Cross-Site Scripting (XSS) Google Dork: inurl:etemplate/process_exec.php Title: Egroupware v1.8.002 (process_exec.php) Remote XSS Vulnerability Type: Remote Author: Marcos Garcia Severity: Medium CVSS: 5 (AV:N/AC:L/Au:N/C:N/I:P/A:N) Impact: Direct execution of arbitrary code in the context of Webserver user. Release Date: 05.04.2012 Release mode: Coordinated release Summary ======= EGroupware is free open source groupware software intended for businesses from small to enterprises. Its primary functions allow users to manage contacts, appointments, projects and to-do lists. Description =========== A reflected Cross Site Scripting vulnerability was found in EGroupware, because the application fails to sanitize user-supplied input. The vulnerability can be triggered by any user. -------------------------------------------------------------------------------- Detecting vulnerabilities - /var/www/egroupware/etemplate:13 list($app) = explode('.',$_GET['menuaction']); -------------------------------------------------------------------------------- Vendor ====== Egroupware - http://www.egroupware.org/ Affected Version ================ 1.8.002 PoC === - /var/www/egroupware/etemplate:13 list($app) = explode('.',$_GET['menuaction']); Attack: menuaction=[XSS] (GET) http://host/egroupware/etemplate/process_exec.php?menuaction=TEST<script>alert(123)</script> Credits ======= Vulnerability discovered by Marcos Garcia (@artsweb). Solution ======== Upgrade to Egroupware v1.8.004 (http://www.egroupware.org) Vendor Status ============= [24.03.2012] Vulnerability discovered. [24.03.2012] Vendor informed. [29.03.2012] Asked vendor for status. [29.03.2012] Vendor replied. [01.04.2012] Vendor reveals patch release date. [05.04.2012] Public advisory. Changelog ========= [05.04.2012] - Initial release

References:

http://www.egroupware.org/


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