SSA-434032 V1.1 (Last Update: 2024-02-13): Input Validation Vulnerability in the DHCP Client of Nucleus RTOS

The DHCP implementation of the networking component (Nucleus NET) in Nucleus Real-Time Operating System (RTOS) contains a vulnerability that could allow an attacker to change the IP address of an affected device to an invalid value.

Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

address attacker change client device dhcp implementation input input validation ip address networking nucleus operating system products real rtos siemens ssa system update validation value vulnerability