Thru Managed File Transfer Portal 9.0.2 Insecure Direct Object Reference
Posted on 23 February 2016
-----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: Open 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 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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 iQIcBAEBCgAGBQJWwbeJAAoJEAylhje9lv8qrtsP/2WwR4gbSY5C7Xwynt5LaTY+ TN38LpHGD4TwP6mS9gk0OIzHJmywUrSAQvbnEI0gC1kiOdFyUwOdaB2Q9JlVyx4a lT9ErbTEtj0xu923tVKXdj+uKtgH+ZzdoMzbUVWMxkNC5kKCCxOfyYJfFIbcBRxE AFseXLax53dJTujF1iQQnGGUWpeRCyVyW3MA0EjsEZ2eXZGd/q+dh89I/Onifk3o VtWpmhx62d88xJ4xOwL9kPB/+5xDXiXAvnGl34lc7SApC+EzAs5bbAfpQmqtzWj5 MopK90uxDl9W1XXtFR3f9By6o63jvOIbt0TqhszZPR6YEpsNfbbApsLxFNVNrGRU E1Mc+ELd8s/g1tf3NCgxKXjSwebpzhvHZDhgJ3DWaFdJLzqu2gw504omOfPaHDBj x3whtIeEAJxiIaRJ415T021bR6Cfut32dE6Mw8ybgf9YiuLBBYIpMAU1QwZIT3k9 q4lQAb7wiIrbZTvuFcI/hI2tTvzXE2gwVm3jxCC05tHwiCfujfx5ZsIXdj6Qe0XD HooUKSqncu1LUoFsUbFZIWcizl+BM4GizIlpw6fpH1xGKpqRG7W9Zdq3+46P5CYm LrcmrhQdig3o6OqoIiZ2HxQRL0CXvc/vae/ecBS/v5Bm3PlELOnR8Y/Kcya22xsV CMFFSHtW1e51DoOn9UVm =iDC3 -----END PGP SIGNATURE-----
