The vulnerability of the GOOSE (Generic Object-Oriented Substation Event) protocol implementation in Schneider Electric Easergy P3 micro-programmed devices for relay protection and control allows a perpetrator to execute arbitrary code or cause malfunctions during maintenance.

The vulnerability of the GOOSE Generic Object-Oriented Substation Event protocol implementation in Schneider Electric Easergy P3 microprogrammable devices for relay protection and control systems lies in the copying of buffers without checking the size of input data. Exploiting this vulnerability...