Siemens SIMATIC Industrial Products (Update B)

This advisory update is a follow-up to the original advisory titled ICSA-22-041-01 Siemens Industrial Products (Update A) that was published February 10, 2022, to the ICS webpage on us-cert.cisa.gov. This advisory contains mitigations for Operation on a Resource after Expiration or Release, and Missing Release of Memory after Effective Lifetime vulnerabilities in Siemens Industrial Products using the SIMATIC firmware platform.