ICSA-20-224-04

icsaUScisa_csaf_ot

Siemens SCALANCE, RUGGEDCOM

Advisory ansehen veröffentlicht 2020-08-11

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.

01

beschreibt (1)

Zugehörige CVEs.

IDSchweregrad ausnutzbar
CVE-2020-8597UScritical9.8Exploit
eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions.
02

Referenzen

Externe Belege — Patches, Meldungen, Analysen.

03

Behebungen (4)

  • MitigationRUGGEDCOM RM1224

    Only use the PPP functionality of the affected devices in trusted environments. This functionality is not enabled by default but typically used in internet dial-in or Point-to-Point connection scenarios. At this point the vulnerability could be exploited by a malicious peer.

  • MitigationSCALANCE M-800 / S615

    Only use the PPP functionality of the affected devices in trusted environments. This functionality is not enabled by default but typically used in internet dial-in or Point-to-Point connection scenarios. At this point the vulnerability could be exploited by a malicious peer.

  • BehobenRUGGEDCOM RM1224

    Update to V6.3

  • BehobenSCALANCE M-800 / S615

    Update to V6.3

scry

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