-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Advisory ID: SYSS-2015-059 Product: Thru Managed File Transfer Portal Manufacturer: Thru Affected Version(s): 9.0.2 Tested Version(s): 9.0.2 Vulnerability Type: Insecure Direct Object Reference (CWE-932) Risk Level: Medium Solution Status: Open Manufacturer Notification: 2015-10-28 Solution Date: 2016-01-22 Public Disclosure: 2016-02-15 CVE Reference: Not yet assigned Author of Advisory: Dr. Erlijn van Genuchten (SySS GmbH) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Overview: Thru Managed File Transfer Portal is a web based file transfer application. According to the Thru website [1], the application aims to offload large file transfer to a single platform, to protect files, to replace FTP servers and to allow access to files anytime, anywhere. The Thru Managed File Transfer application allows unauthenticated users to use the upload functionality that was loaded during an authenticated session. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Vulnerability Details: The SySS GmbH identified a vulnerability in the file upload functionality. If this page was loaded during an authenticated session, the page could still be rendered and used to upload a file after successfully logging out. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Proof of Concept (PoC): The vulnerable page was found under the URL: https://[HOST]/App/BrowserUpload.aspx?folderid=[MYDOCUMENTS-FOLDER-ID] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Solution: The reported security vulnerability has been fixed in a new software release. Update to the new software version. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Disclosure Timeline: 2015-10-26: Vulnerability discovered 2015-10-28: Vulnerability reported to manufacturer 2016-01-22: Manufacturer announced update 2016-02-15: Public release of security advisory ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ References: [1] Thru Homepage http://www.thruinc.com [2] SySS Security Advisory SYSS-2015-059 https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2015-059.txt [3] SySS Responsible Disclosure Policy https://www.syss.de/en/news/responsible-disclosure-policy/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Credits: This security vulnerability was found by Dr. Erlijn van Genuchten of the SySS GmbH. E-Mail: erlijn.vangenuchten@xxxxxxx Public Key: https://www.syss.de/fileadmin/dokumente/Materialien/PGPKeys/Erlijn_vanGenuchten.asc Key ID: 0xBD96FF2A Key Fingerprint: 17BB 4CED 755A CBB3 2D47 C563 0CA5 8637 BD96 FF2A ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Disclaimer: The information provided in this security advisory is provided "as is" and without warranty of any kind. Details of this security advisory may be updated in order to provide as accurate information as possible. The latest version of this security advisory is available on the SySS Web site. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Copyright: Creative Commons - Attribution (by) - Version 3.0 URL: http://creativecommons.org/licenses/by/3.0/deed.en -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCgAGBQJWwbdzAAoJEAylhje9lv8qxbEQAJ96qcaJ3qPWlkzaAzLN8t4P I24Sti+F0kvUcVILhN4iiJGaFXTZlarBMr854cQkV5EgkmPsoYbGc0reY02OEyx6 tGPvv2oGbFsO9B2vZJsF43DZvQH5ZEYKPRZ+AH2VbcFksvoKm3/bLRoBvRQx5K7b g8xYKrefTh6+yxwE+h/WUWuQM5NoglQba3gz1QSG8Fs76MqP5YNyu/e6s31m/Cyu z5jVs2JT5JH4fP1CJEUk80E0YgOIn4qpxR6rfDYZogA98hwnfYdg59FShgQc8C0o rxqdvRiaW4EORLkd5nn6CAVQPi3IFQ52voxlajnQGVeKK3pnnJOr+GSYaKshbnlz dnwL8rgcHl//hOR89gYoX0az5hoguDf72q2Pg/+jz/YA4DNnv1fhQHBaa1k4r4ZX iP0ajkWhEBKOtTOZeWTJDncOoYVrLTXAe1uNejnKWkCVTqmwERdwfzQ2u5K35w2v 5Wj9NO3MpsrBYRL1oa0O/s5kmmQlEWU83M/7R7E/oj3YLK4Aj6iz3eZ7XAm84mnd ulQRhWqxy/pdPUFnDuR9JqlLbYQbU5M2u9bYmGug5qEmNlvvvNycgT/3vnIpKfm7 QbeSeZcT1fSN1cJh1E9QMS36EXKg4vQVFR7R5Kp5hadWEBPteUVk6x7Yq5Qxjg7E WX11ysLqnhHSeTzzXarq =yfXN -----END PGP SIGNATURE-----