CVE-2026-92698
Beschrijving NL
FastNetMon is een krachtige DDoS-detector en -sensor. In versie 1.2.9 en eerder geeft process_sflow_flow_sample() in src/sflow_plugin/sflow_collector.cpp de door de aanvaller gecontroleerde sflow_raw_protocol_header_t.header_size door aan parse_raw_packet_to_simple_packet_full() als de vertrouwde vastgelegde lengte zonder deze te vergelijken met de resterende bytes in het record. An inflated header_size creates a false end pointer beyond the received sFlow v5 UDP buffer, defeating the nested parser's bounds checks and causing an unauthenticated remote out-of-bounds read and process crash, with possible limited exposure of adjacent bytes through parsed flow fields. No fixed release is available as of this review.
Origineel (Engels) tonen
FastNetMon is a high-performance DDoS detector and sensor. In version 1.2.9 and earlier, process_sflow_flow_sample() in src/sflow_plugin/sflow_collector.cpp passes the attacker-controlled sflow_raw_protocol_header_t.header_size to parse_raw_packet_to_simple_packet_full() as its trusted captured length without comparing it with the bytes remaining in the record. An inflated header_size creates a false end pointer beyond the received sFlow v5 UDP buffer, defeating the nested parser's bounds checks and causing an unauthenticated remote out-of-bounds read and process crash, with possible limited exposure of adjacent bytes through parsed flow fields. No fixed release is available as of this review.