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cnvd-2020-17493

EUVD-2026-49992

fkie_cve-2019-5159

An exploitable improper input validation vulnerability exists in the firmware update functionality of WAGO e!COCKPIT automation software v1.6.0.7. A specially crafted firmware update file can allow an attacker to write arbitrary files to arbitrary locations on WAGO controllers as a part of executing a firmware update, potentially resulting in code execution. An attacker can create a malicious firmware update package file using any zip utility. The user must initiate a firmware update through e!COCKPIT and choose the malicious wup file using the file browser to trigger the vulnerability.

GHSA-f5w9-64vw-8wmq

gsd-2019-5159

VDE-2020-009 — WAGO: e!Cockpit Two Update Package Vulnerabilities

The firmware update package (WUP) is not signed entirely. The used password offers no additional security, it is just meant to protect from unintentional modifications of the WUP file. Thus only the integrity of the signed firmware part (rauc file) is protected against intended manipulation. An attacker could manipulate the WUP file in a way that additional files with potentially malicious content are added to the WUP file. In case an authorized user that issues a firmware update could be tricked into installing this manipulated WUP file onto the device, the potentially malicious files would also be copied and installed on to the device and executed with elevated privileges.