InvoicePlane 1.4.10 File Upload / Cross Site Scripting

2017.05.24
Credit: Jasveer Singh
Risk: High
Local: No
Remote: Yes
CVE: N/A

SEC Consult Vulnerability Lab Security Advisory < 20170523-0 > ======================================================================= title: Arbitrary File Upload & Stored XSS product: InvoicePlane vulnerable version: 1.4.10 fixed version: 1.5.2 CVE number: - impact: High homepage: https://invoiceplane.com/ found: 2017-04-10 by: Jasveer Singh (Office Kuala Lumpur) SEC Consult Vulnerability Lab An integrated part of SEC Consult Bangkok - Berlin - Linz - Luxembourg - Montreal - Moscow Kuala Lumpur - Singapore - Vienna (HQ) - Vilnius - Zurich https://www.sec-consult.com ======================================================================= Vendor description: ------------------- "InvoicePlane is a self-hosted open source application for managing your quotes, invoices, clients and payments." Source: https://invoiceplane.com/ Business recommendation: ------------------------ By exploiting the vulnerabilities documented in this advisory, an attacker can fully compromise the web server which has InvoicePlane installed. Potentially sensitive invoice data might get exposed through this attack. SEC Consult recommends not to attach InvoicePlane to the network until a thorough security review has been performed by security professionals and all identified issues have been resolved. Vulnerability overview/description: ----------------------------------- 1. Arbitrary File Upload An authenticated user can upload a malicious file to the webserver. It is possible for an attacker to upload a script which is able to compromise the webserver. 2. Stored Cross Site Scripting This vulnerability allows an authenticated user to inject malicious client side script which will be executed in the browser of users if they visit the manipulated site. Proof of concept: ----------------- 1. Arbitrary File Upload Below URL is used to upload the malicious file through the attachment segment. URL : http://$DOMAIN/index.php/invoices/view/$INVOICE-ID 2. Stored Cross Site Scripting The following parameters have been found to be vulnerable against stored cross site scripting. Furthermore, there exist many more vulnerable parameters. The following payload shows a simple alert message box: URL : http://$DOMAIN/index.php/clients/view/$Client-ID METHOD : POST PAYLOAD : client_name="onmouseover=prompt("XSS")> URL : http://$DOMAIN/index.php/index.php/users/form/$User-ID METHOD : POST PAYLOAD : user_name="onmouseover=prompt("XSS1")> Vulnerable / tested versions: ----------------------------- InvoicePlane version 1.4.10 has been tested. This version was the latest at the time the security vulnerabilities were discovered. Vendor contact timeline: ------------------------ 2017-04-11: Contacting vendor through mail@invoiceplane.com 2017-04-11: Vendor requests security advisory to be shared over unencrypted channel. 2017-04-23: Vendor released patch version 1.5.0 however not all vulnerabilities were fixed properly. 2017-05-07: Patch (1.5.2) released by the vendor which fixes all issues 2017-05-23: Public release of security advisory. Solution: --------- Upgrade to InvoicePlane 1.5.2 as version 1.5.0 doesn't fix all the identified vulnerabilities: https://community.invoiceplane.com/t/topic/4258 Workaround: ----------- None Advisory URL: ------------- https://www.sec-consult.com/en/Vulnerability-Lab/Advisories.htm ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SEC Consult Vulnerability Lab SEC Consult Bangkok - Berlin - Linz - Luxembourg - Montreal - Moscow Kuala Lumpur - Singapore - Vienna (HQ) - Vilnius - Zurich About SEC Consult Vulnerability Lab The SEC Consult Vulnerability Lab is an integrated part of SEC Consult. It ensures the continued knowledge gain of SEC Consult in the field of network and application security to stay ahead of the attacker. The SEC Consult Vulnerability Lab supports high-quality penetration testing and the evaluation of new offensive and defensive technologies for our customers. Hence our customers obtain the most current information about vulnerabilities and valid recommendation about the risk profile of new technologies. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Interested to work with the experts of SEC Consult? Send us your application https://www.sec-consult.com/en/Career.htm Interested in improving your cyber security with the experts of SEC Consult? Contact our local offices https://www.sec-consult.com/en/About/Contact.htm ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Mail: research at sec-consult dot com Web: https://www.sec-consult.com Blog: http://blog.sec-consult.com Twitter: https://twitter.com/sec_consult EOF Jasveer Singh / @2017


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