Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, specially crafted traffic or datasets can cause a limited buffer overflow. This vulnerability is fixed in 7.0.5 and 6.0.19. Workarounds include not use rules with base64_decode
keyword with bytes
option with value 1, 2 or 5 and for 7.0.x, setting app-layer.protocols.smtp.mime.body-md5
to false.
{ "binaries": [ { "binary_version": "3.2-2ubuntu3", "binary_name": "libhtp-0.5.23-1" }, { "binary_version": "3.2-2ubuntu3", "binary_name": "suricata" }, { "binary_version": "3.2-2ubuntu3", "binary_name": "suricata-hyperscan" }, { "binary_version": "3.2-2ubuntu3", "binary_name": "suricata-oinkmaster" } ] }