full-disclosure - [FD] [KIS-2020-11] qdPM <= 9.1 (executeExport) PHP Object Injection Vulnerability

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Message-ID: <CAJeQoQe0UxgxXdkFPaFuVRX01+Qqp9dgEcG0aZaR_xRLXT--Tg@mail.gmail.com>
Date: Wed, 30 Dec 2020 22:19:30 +0100
From: Egidio Romano <n0b0d13s@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] [KIS-2020-11] qdPM <= 9.1 (executeExport) PHP Object Injection
	Vulnerability

--------------------------------------------------------------
qdPM <= 9.1 (executeExport) PHP Object Injection Vulnerability
--------------------------------------------------------------

[-] Software Link:

http://qdpm.net

[-] Affected Versions:

Version 9.1 and prior versions.

[-] Vulnerability Description:

The vulnerability is located in the
/core/apps/qdPM/modules/timeReport/actions/actions.class.php
script, specifically within the timeReportActions::executeExport() method:

295. public function executeExport(sfWebRequest $request)
296. {
297.   $separator = "\t";
298.   $format = $request->getParameter('format');
299.   $filename = $request->getParameter('filename');
300.
301.   $export = unserialize($request->getParameter('export'));

User input passed through the "export" request parameter is not
properly sanitized before being
used in a call to the unserialize() function at line 301. This can be
exploited by malicious users
to inject arbitrary PHP objects into the application scope, allowing
them to carry out a variety
of attacks, such as executing arbitrary OS commands.

[-] Proof of Concept:

http://karmainsecurity.com/pocs/CVE-2020-26165

[-] Solution:

No official solution is currently available.

[-] Disclosure Timeline:

[29/02/2020] - Vendor notified
[08/04/2020] - No response, vendor contacted again
[09/04/2020] - Vendor replies they will fix the vulnerability in a
summer release
[30/09/2020] - Summer is gone and a new version hasn't been released,
vendor contacted again
[30/09/2020] - Vendor replies they're working on version 10, and
should be ready in this year
[30/09/2020] - CVE number requested and assigned
[02/12/2020] - Vendor informed about public disclosure by the end of the year
[30/12/2020] - Public disclosure

[-] CVE Reference:

The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2020-26165 to this vulnerability.

[-] Credits:

Vulnerability discovered by Egidio Romano.

[-] Original Advisory:

http://karmainsecurity.com/KIS-2020-11

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