Multiple Siemens Products Communication Channel Source Verification Error Vulnerability

The SIMATIC CP 343-1 is a communication processor CP that provides Ethernet communication for the SIMATIC S7-300 cpu. SIPLUS Extreme products are designed for reliable operation under extreme conditions and are based on SIMATIC, LOGO!, SITOP, SINAMICS, SIMOTION, SCALANCE or other devices. SIPLUS...

CVE-2023-51440

A vulnerability has been identified in SIMATIC CP 343-1 6GK7343-1EX30-0XE0 All versions, SIMATIC CP 343-1 Lean 6GK7343-1CX10-0XE0 All versions, SIPLUS NET CP 343-1 6AG1343-1EX30-7XE0 All versions, SIPLUS NET CP 343-1 Lean 6AG1343-1CX10-2XE0 All versions. Affected products incorrectly validate TCP...

CVE-2023-51440

A vulnerability has been identified in SIMATIC CP 343-1 6GK7343-1EX30-0XE0 All versions, SIMATIC CP 343-1 Lean 6GK7343-1CX10-0XE0 All versions, SIPLUS NET CP 343-1 6AG1343-1EX30-7XE0 All versions, SIPLUS NET CP 343-1 Lean 6AG1343-1CX10-2XE0 All versions. Affected products incorrectly validate TCP...

CVE-2023-51440: Improper Verification of Source of a Communication Channel

A vulnerability has been identified in SIMATIC CP 343-1 6GK7343-1EX30-0XE0 All versions, SIMATIC CP 343-1 Lean 6GK7343-1CX10-0XE0 All versions, SIPLUS NET CP 343-1 6AG1343-1EX30-7XE0 All versions, SIPLUS NET CP 343-1 Lean 6AG1343-1CX10-2XE0 All versions. Affected products incorrectly validate TCP...

TCP denial-of-service attacks against long lived connections

NISCC / UNIRAS has published an advisory that re-visits the long discussed spoofed TCP RST denial-of-service vulnerability. This new look emphasizes the fact that for some applications such attacks are practically feasible...