-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Advisory ID: SYSS-2015-064 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: Fixed Manufacturer Notification: 2015-12-09 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 authenticated users to access the favourite contacts list of other users. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Vulnerability Details: The SySS GmbH identified a vulnerability in the functionality to display the favourite contacts list. These lists include email addresses of other users and can be directly accessed using the correct URL. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Proof of Concept (PoC): The favourite contacts lists of different users can be accessed when a user has a valid user account via the following URL https://[HOST]/App/asp/list_details.asp?listid=[ID] Here, merely the numeric parameter "listid" needs to be manipulated. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Solution: The reported security vulnerability has been fixed in a new software release. Update to the new software version. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Disclosure Timeline: 2015-12-09: Vulnerability discovered 2015-12-09: Vulnerability reported to manufacturer 2016-01-22: Manufacturer announced update 2016-02-15: Public release of security advisory 2016-03-02: Public release of revised security advisory (corrected solution status) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ References: [1] Thru Homepage http://www.thruinc.com [2] SySS Security Advisory SYSS-2015-064 https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2015-064.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@syss.de 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 iQIcBAEBCgAGBQJW1fdBAAoJEAylhje9lv8qeNsP/RaGhK3W8BlLWA7W7Uxo6lA9 lxicKnnHZOg3odR4vSwELsCKvfJ46BDAFC6hS26yqNZTVyjtNsXgc3uCg+RtoWcE nsUJRUwMKDT3eFjifhRuYBKTyLeK8aARqLo74ZNJ/wySF+ETxTDa2wdEk3Wk6kY7 1rtSEJ0u00fiQJaiCIYd6AYYDqwKPZwxsgaauBp3t53UvIJZ58YtiB7vlUoFdQxO tG5tvco1a5+XuRLUAK7V4OZvs/ghI/YYU13RSTpGoHX+13Y4MUAPS/kO5lpUVYBF hsHpZbWnSIU5Xk6MoWpDWZ+XXLvs2/rGg6c4FT4j3837gWwul11V5pDNqJ01C8Yc 1iX04mgBLhcrgZKaJYHWwt/nXiqc+ox5mmpsclmrQMao06qizUdJqnzx5T9NU9Ge 0frRL+jB3q+rhtB6GafomI4kJBFBuxVrKsTvbGkUz7sWkvhCtSB3EINLitFXm2TM AjZE/IwcU5ODcHAcVP856F9jt0KCH70UYmPb3XByDSGIOWpsCF1E7dlQTQ3aRdym wijKj8I8bbPrmrUxb/eZhlZxEzfMCxmI5AdAL1IaPvnR8eLx1XTcbAfJGCj262Or mQUv9Ke7iHATm30byYg/3OlCFIuI7a6xT5sd5TOGwaAjGqMTxYjksP9LKd8PMLc2 mhNWNdVbBztFrlID2fmh =Xq7K -----END PGP SIGNATURE-----