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VDE-2019-002

Pepperl+Fuchs: Path traversal in WirelessHART Gateway

Pepperl+Fuchs — WHA-GW-*-ETH

Pepperl+Fuchs PSIRTmiddel

Gepubliceerd

6 maart 2019

Laatste update

14 mei 2025

Gekoppelde CVE's

Getroffen sectoren

Risk evaluation

Pepperl+Fuchs analyzed WirelessHART-Gateways in respect of a critical vulnerability within the Firmware. An attacker may exploit this vulnerability to get access to files and access restricted directories that are stored on the device by manipulating file parameters that reference these. Incoming HTTP requests using fcgi-bin/wgsetcgi and a filename parameter allow a directory / path traversal. A publicly available exploit already exists for this vulnerability.

Mitigatiesamenvatting

A Firmware (version see table below), which solves the problem, is available. Please contact your support representative for this particular firmware package and update the corresponding product. | Product ID | Version | Bus-Interface of Device | |-----------------|----------|-------------------------| | WHA-GW-*-ETH | 03.00.08 | Modbus | | WHA-GW-*-ETH.EIP | 02.00.01 | Ethernet/IP |

Revisiegeschiedenis (4)
  1. Initiële publicatie — 6 maart 2019

    Initial revision.

  2. Update A — 6 november 2024

    Fix: correct certvde domain, added self-reference

  3. Update B — 12 maart 2025

    Fix: Version, Remediation

  4. Update C — 14 mei 2025

    Fix: added distribution

Officiële bron: Pepperl+Fuchs PSIRT