Suricata version 4.0.4 incorrectly handles the parsing of the SSH banner. A malformed SSH banner can cause the parsing code to read beyond the allocated data because SSHParseBanner in app-layer-ssh.c lacks a length check.
{ "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" } ] }