Cybersecurity

The NCCIC has updated its alert on proof-of-concept exploit code affecting Mitsubishi Electric Europe B.V. smartRTU (Versions 2.02 and prior) and INEA ME-RTU (Versions 3.0 and prior), remote terminal products. According to a public report on the matter, there are multiple vulnerabilities that could be exploited to gain remote code execution with root privileges. CISA has notified Mitsubishi Electric Europe B.V. of the report and has asked them to confirm the vulnerabilities and identify mitigations.

The NCCIC has published an advisory on stack-based buffer overflow, heap-based buffer overflow, and out-of-bounds write vulnerabilities in Delta Electronics TPEditor. Versions 1.94 and prior are affected. Successful exploitation of these vulnerabilities may allow information disclosure, remote code execution, or may crash the application. Delta Electronics recommends affected users update to the latest version of Delta Industrial Automation TPEditor, Version 1.95. The NCCIC also recommends a series of measures to mitigate the vulnerabilities.

The NCCIC has published an advisory on a cross-site scripting vulnerability in Siemens IE/WSN-PA Link WirelessHART Gateway. All versions are affected. Successful exploitation of this vulnerability could allow information disclosure, code execution, or denial-of-service.  Siemens has identified specific workarounds and mitigations that users can apply to reduce the risk. The NCCIC also recommends a series of measures to mitigate the vulnerability. Read the advisory at CISA.

The Cybersecurity and Infrastructure Security Agency (CISA) has posted a page on ransomware protection strategies, in which it notes it has observed an increase in ransomware attacks across the nation. It adds that one of its chief priorities is to help organizations protect themselves from ransomware, and in support of this mandate it encourages its partners to review a series of resources to help prevent, mitigate, and recover from these attacks.