-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Advisory ID: SYSS-2015-058 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 authenticated users to access log data, which direct access is prevented by the application. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Vulnerability Details: The SySS GmbH identified a vulnerability in the functionality to access log data concerning transactions. Log data can be accessed by authenticated users by directly accessing the correct URL. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Proof of Concept (PoC): Available log data could be viewed by accessing the URL https://[HOST]/App/FileSystemLogDetail.aspx?fileSystemLogID=45 By manipulating the parameter "fileSystemLogID", other log data, for example with fileSystemLogID=4 concerning the /FOLDERS/HOME folder, could be accessed as well. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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-2015-058 https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2015-058.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 iQIcBAEBCgAGBQJWwbdMAAoJEAylhje9lv8qA+cP/R9jb0ocFsgxmNPEtNc4t0xT ZB6+xsmYYrdnrJY4KJfJtuoHHIO14f+cVxMhYUWAV9iSvV3ZlaKfFdyiSGvs+DA8 tOakza2gq1+iYADcK4kbpDc3ndtZ4B7LZU9V+gwxLdiWP1dIW1F0VszZX17qg3lM YB2xbXE7aCCRHlE6KTWw3vQE+8VeMQBWp6GTQkHtMmy3HdRhSVM8UpaVZHJxIU7R z9hgsaYCuvWkWJjRtO4+uKMOhahF6/faWNoLFARTc7yvN6HkvMyZNHItY4Tw1G1X JX83tnoCHu7c9GkYs4fSCcGdp+shThz8f6mqwQa7m2mYUmeyjRCnZFEDqKKijS22 0TnN01Oe9Sjo2ZIr1OMuygEwycmDpHKKnzNgsCKPKxOX+aeWKnbuRE9y8ARf8i0s tSstvPbPVPezjej3lgru99lsf4TQkqjW3xWLZ+d/stFocJG/MEaxdKGwiai/O7MZ I4cQhCrB99GJ3c7WVIPuZSQxHEaZLKKvuT5ymuNG5RHvjy/J/3JEgk7DazSuKv+/ Uz9WDaPgIGZZKDc9YhnEbI4Z/FiN40tOhPbr7w91uqLJUn6XFq0YQP+520I4n+bN uoTsAVNvN/x9XaMW4Ro4cqCg/UkmT42W/V2irtbW4Dx8UWuNG6eA+1eoiB6SAhiy Wo31sWCU8sWaC+RvfSDT =omXs -----END PGP SIGNATURE-----