Kaspersky Lab Advisory
(KL-MOXA-2018-104) Unauthorized Configuration and Firmware Upload
Affected Hardware/Software
Moxa OnCell G3100-HSPA Series Firmware version 1.6 Build 17100315 and prior
Severity level
- Impact: Attacker can modify configuration and upload firmware
- Access Vector: Remote
- CVSS v3 Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Overall CVSS Score: 9.8
- CVE ID: CVE-2018-11422
- CWE ID: 284
Hardware/Software description
Moxa OnCell G3100-HSPA Series devices are industrial five-band HSPA high speed IP gateways with VPN functionality
Vulnerability description
Moxa OnCell G3100-HSPA Series version 1.6 Build 17100315 and prior use a proprietary configuration protocol that does not provide confidentiality, integrity and authenticity security controls. All information is sent in plain text, and can be intercepted and modified. Any commands (including device reboot, configuration download or upload, or firmware upgrade) are accepted and executed by the device without authentication.
Mitigation
Apply firmware patch from vendor.
Credits
Vulnerability was discovered by Eugenie Potseluevskaya (Kaspersky Lab).