CVE-2012-6435
HighCVSS 7.5Summary
Podatność CVE-2012-6435 dotyczy produktów Rockwell Automation, które mogą ulegać atakowi DoS w przypadku otrzymania ważnej wiadomości CIP z nieautoryzowanego źródła na określonych portach. Atak ten może spowodować zatrzymanie wykonywania logiki CPU i przejście w stan błędu.
Risk Assessment
Ryzyko związane z tą podatnością polega na utracie dostępności systemu oraz zakłóceniu komunikacji z innymi podłączonymi urządzeniami, co może prowadzić do poważnych problemów operacyjnych.
Recommendation
Zaleca się monitorowanie ruchu sieciowego na portach 2222 i 44818 oraz wdrożenie odpowiednich mechanizmów zabezpieczających, aby zablokować nieautoryzowane wiadomości CIP.
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Original NVD description (English source)
When an affected product receives a valid CIP message from an unauthorized or unintended source to Port 2222/TCP, Port 2222/UDP, Port 44818/TCP, or Port 44818/UDP that instructs the CPU to stop logic execution and enter a fault state, a DoS can occur. This situation could cause loss of availability and a disruption of communication with other connected devices. Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400

