URVE Software Build 24.03.2020 Information Disclosure

Risk: Medium
Local: No
Remote: Yes

CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Advisory ID: SYSS-2020-042 Product: URVE Software Manufacturer: Eveo Sp. z o.o. Affected Version(s): Build "24.03.2020" Tested Version(s): Build "24.03.2020" Vulnerability Type: Cleartext Storage of Sensitive Information (CWE-312) Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) Risk Level: High Solution Status: Open Manufacturer Notification: 2020-11-10 Solution Date: 2020-11-18 Public Disclosure: 2020-12-23 CVE Reference: CVE-2020-29550 Authors of Advisory: Erik Steltzner, SySS GmbH Christoph Ritter, SySS GmbH ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Overview: URVE is a system for reserving rooms which also provides a web interface with event scheduler. The manufacturer describes the product as follows (see [1] and [2]): 'Booking rooms on touchscreen and easy integration with MS Exchange, Lotus, Office 365, Google Calendar and other systems. Great looking schedules right at the door. Fight conference room theft with our 10" touchscreen wall-mounted panel.' 'Manage displays, edit playlists and HTML5 content easily. Our server can be installed on any Windows and works smoothly from web browser.' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Vulnerability Details: The password of the user account which is used for the connection of the MS Office 365 Integration Service is stored as plaintext in configuration files, as well as in the database. The following files contain the password in plaintext: Profiles/urve/files/sql_db.backup Server/data/pg_wal/000000010000000A000000DD Server/data/base/16384/18617 Server/data/base/17202/8708746 This causes the password to be displayed as plaintext in the HTML code. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Proof of Concept (PoC): The path /urve/roomsreservationimport/roomsreservationimport/update-HTML5?id=<id> contains the tag with the cleartext password: <input id="roomsreservationimport_password" [...] value="clearTextPassword"> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Solution: The password should be stored as cryptographic hash value. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Disclosure Timeline: 2020-10-28: Vulnerability discovered 2020-11-10: Vulnerability reported to manufacturer 2020-11-18: Patch released by manufacturer 2020-12-23: Public disclosure of vulnerability ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ References: [1] Product Website for URVE https://urve.co.uk/system-rezerwacji-sal [2] Product Website for URVE https://urve.co.uk [3] SySS Security Advisory SYSS-2020-042 https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-042.txt [4] SySS Responsible Disclosure Policy https://www.syss.de/en/news/responsible-disclosure-policy/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Credits: This security vulnerability was found by Erik Steltzner and Christoph Ritter of SySS GmbH. E-Mail: erik.steltzner@syss.de Public Key: https://www.syss.de/fileadmin/dokumente/PGPKeys/Erik_Steltzner.asc Key ID: 0x4C7979CE53163268 Key Fingerprint: 6538 8216 555B FBE7 1E01 7FBD 4C79 79CE 5316 3268 E-Mail: christoph.ritter@syss.de Public Key: https://www.syss.de/fileadmin/dokumente/PGPKeys/Christoph_Ritter.asc Key ID: 0x05458E666D35EAE8 Key Fingerprint: 9FB0 1B9B 2F72 3DD5 3AF3 62D8 0545 8E66 6D35 EAE8 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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 website. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Copyright: Creative Commons - Attribution (by) - Version 3.0 URL: http://creativecommons.org/licenses/by/3.0/deed.en -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEZTiCFlVb++ceAX+9THl5zlMWMmgFAl/i+1YACgkQTHl5zlMW Mmh3/Q//QN2YWirc8dEQCXpmkzQ36C2HB5QwkDyimYZ9cm6d0dOp0IoxqOTXTT0M /SYxxwiAjsimZk5P5oMlXz+H1UqickvfyOrw3xg4XIrUBh5GYlFvD4+Jvfrj27Mv NVRaqvMfVzkqvZvnVePxqMNekrJdBwIRyTVnQ9nCcFqTo6n3xeqprTw5shVRQtqW 7jbtlrznPjGRR6tKdGZW6e29MHBU6tCLm1Z+h5hI1yJgnItpwXKZc9D6cpcxutrp yveyFlYOSsZ8Yy7a8mGtvkbsJZFbX9aFtxF7hCWousnEJo8fECS7BIbezQoqzl74 dnWwIU/ZzoQTThS14PhLk4fVV4tPbgg35EEdpoxhJiWbkMQGx6TJkz9t/+XDcu2R JkqcMHZNV7XNJJLs+MPTg3TGXy5OKuiPbZpSnmT1NCowGTQbb4Ptt+EUGCiT5djA oQSGwgWAGQN/hf+6mJp5VN6HvU1jitQ7UquDhaDYHR7/iI3HRM5e8piqpZvSVeqd lspnsdVTDtsobumXOSdzWhh/J7e+m9DqsBFGkFVebE/uwkrowcScFTTWLK1v1fPT aYlw40SXnLjRuSvLBe4KVR/7x1zLCPMz5OfnbE4vh8r+yDtxd5QldcSguzPV4bu5 lHBcV2E+jWPUk6zDQVT2vGlKTSgAGBRjKUf8DVQaTf2/aBMAJXw= =YEPt -----END PGP SIGNATURE-----

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