VDE-2021-002

csafDEweidmueller_psirt

Weidmueller: WI Manager affected by fdtContainer vulnerability

Advisory ansehen veröffentlicht 2021-01-20

A vulnerability has been discovered in the fdtCONTAINER component and application by M&M Software GmbH. As this software is part of the Weidmüller FDT/DTM Software with WI Manager, this Weidmueller software is affected by the above vulnerability as well. The fdtCONTAINER component exchanges binary data blobs with the WI Manager. The WI Manager saves these binary data blobs into a project file. If an attacker gets write access to the project file, the project file can be manipulated to contain malicious code.

01

beschreibt (1)

Zugehörige CVEs.

IDSchweregrad ausnutzbar
CVE-2020-12525UShigh7.8—
M&M Software fdtCONTAINER Component in versions below 3.5.20304.x and between 3.6 and 3.6.20304.x is vulnerable to deserialization of untrusted data in its project storage.
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Referenzen

Externe Belege — Patches, Meldungen, Analysen.

03

Behebungen (1)

  • MitigationWI Manager

    - Exchange project data only via secure exchange services - Use appropriate means to protect the project storage from unauthorized manipulation - Do not open project data from an unknown source - Reduce the user rights of the WI Manager to the necessary minimum

scry

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