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Kaspersky Lab Advisory

(KL-MOXA-2018-106) Cross-Site Request Forgery


Affected Hardware/Software

Moxa OnCell G3100-HSPA Series Firmware version 1.4 Build 16062919 and prior

Severity level

  • Impact: Attacker can impersonate administrative actions via web interface
  • Access Vector: Remote
  • CVSS v3 Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Overall CVSS Score: 8.8
  • CVE ID: CVE-2018-11427
  • CWE ID: 352

Hardware/Software description

Moxa OnCell G3100-HSPA Series devices are industrial five-band HSPA high speed IP gateways with VPN functionality

Vulnerability description

CSRF tokens are not used in the web application of OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior, which makes it possible to perform CSRF attacks on the device administrator.

Mitigation

Apply firmware patch from vendor.

Credits

Vulnerability was discovered by Eugenie Potseluevskaya (Kaspersky Lab).