-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Advisory ID: SYSS-2015-060 Product: Thru Managed File Transfer Portal Manufacturer: Thru Affected Version(s): 9.0.2 Tested Version(s): 9.0.2 Vulnerability Type: Improperly Implemented Security Check for Standard (CWE-358) 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 both unauthenticated and authenticated users to upload files, including viruses. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Vulnerability Details: The SySS GmbH identified that the application promises users that "all files are automatically scanned for viruses." However, it was possible to upload and download the EICAR test virus, which is recognised by all virus scanners. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Proof of Concept (PoC): The EICAR test virus was uploaded using the upload functionality. The upload was successful both as unauthorized and authorized user. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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-2015-060 https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2015-060.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 iQIcBAEBCgAGBQJWwbd+AAoJEAylhje9lv8qldMP/jbQ1VQEgnXhc4y6BwP7CYTR vf66NmWNmbovJ/ezrfCVLpCsLp+ia3mFB0KacI898X+zqETI7EEAk3LFVQ34CaZ2 a5MC2aHRCfXi1wFQw/nAfd9V88GC78cjcfbgVKKKRWD+VB4xpqtI9OPhTqOGveRa H2vdMo2OaNumB9lKdhYiWOG4UbQI7JnbF7aOUnOwts4kU07mnO8HhfHeEqTFd02h F2z8rMdiNuPRaCFRxr4vfymfv/Rx60fKubeeu93OotYSd0wlRIQ3k4c8iK0ksQ3y N9AkJSFwjxXxzJKaDWzZTB3N56wW0azVFey9fJM8hzU4VwwkffUK62/t5hoZg8dq 2rJE9TIppkFDoMAF792As2nQNlsU7xVuhBiROUUeFzEofMebG0ct8nCzm0LBRK/X +bGTtCfGIAX36fujbnM/CaJdxaeaAB3vNJHMVurLUPrGkwSUepnSJzCJ/zz3dIR5 U6NVKMOhFqB5CuiRXoQBwyXBKxfgj44jzXym2qnKc7Z+f+4K8hDuzNmM/C00RCrZ gQTz7029BDdZ5KSsQCY91RQrYOf1yVHf0nwioKfxfORqOi31PsvlYjFueQH/n48H akzSAaVKXst1DFxfkLmr2QHeC8Zrnz6D+eDY/TcY2j4q0q+x1cvPT+hRj2b6slQl 1Yxx129YkDYyLV18hp31 =j0ZE -----END PGP SIGNATURE-----