bugtraq - [KIS-2015-05] ATutor <= 2.2 (Custom Course Icon) Unrestricted File Upload Vulnerability

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Date: Wed, 04 Nov 2015 15:44:03 +0100
From: Egidio Romano <research@...mainsecurity.com>
To: bugtraq@...urityfocus.com, fulldisclosure@...lists.org
Subject: [KIS-2015-05] ATutor <= 2.2 (Custom Course Icon) Unrestricted File
 Upload Vulnerability

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ATutor <= 2.2 (Custom Course Icon) Unrestricted File Upload Vulnerability
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[-] Software Link:

http://www.atutor.ca/

[-] Affected Versions:

Version 2.2 and prior versions. 	

[-] Vulnerability Description:

User input passed through the "customicon" when creating a new course is not properly
sanitized before being uploaded into the /content/ directory. This could be exploited
to upload and execute arbitrary PHP code. Successful exploitation of this vulnerability
requires an account with permissions to create new courses.

[-] Solution:

Apply the vendor patch.

[-] Disclosure Timeline:

[10/10/2014] - Vendor notified
[13/10/2014] - Vendor response stating this issue will be patched right away
[02/11/2014] - Vendor patch released: http://update.atutor.ca/patch/2_2/2_2-6/patch.xml
[30/09/2015] - CVE number requested
[05/10/2015] - CVE number assigned
[04/11/2015] - Public disclosure

[-] CVE Reference:

The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2014-9752 to this vulnerability.

[-] Credits:

Vulnerability discovered by Egidio Romano.

[-] Original Advisory:

http://karmainsecurity.com/KIS-2015-05