feat(detector): add known exploited vulnerabilities (#1331)

* feat(kevuln): add known exploited vulnerabilities

* chore: transfer repository owner

* feat: show CISA on top of CERT

* chore: rename var

* chore: rename var

* chore: fix review

* chore: fix message

config/config.go

@@ -41,6 +41,7 @@ type Config struct {
 	Gost       GostConf       `json:"gost,omitempty"`
 	Exploit    ExploitConf    `json:"exploit,omitempty"`
 	Metasploit MetasploitConf `json:"metasploit,omitempty"`
+	KEVuln     KEVulnConf     `json:"kevuln,omitempty"`
 
 	Slack      SlackConf      `json:"-"`
 	EMail      SMTPConf       `json:"-"`
@@ -176,6 +177,7 @@ func (c *Config) ValidateOnReport() bool {
 		&Conf.Gost,
 		&Conf.Exploit,
 		&Conf.Metasploit,
+		&Conf.KEVuln,
 	} {
 		if err := cnf.Validate(); err != nil {
 			errs = append(errs, xerrors.Errorf("Failed to validate %s: %+v", cnf.GetName(), err))

config/tomlloader.go

@@ -27,6 +27,7 @@ func (c TOMLLoader) Load(pathToToml, _ string) error {
 		&Conf.Gost,
 		&Conf.Exploit,
 		&Conf.Metasploit,
+		&Conf.KEVuln,
 	} {
 		cnf.Init()
 	}

config/vulnDictConf.go

@@ -248,7 +248,7 @@ func (cnf *GostConf) Init() {
 	cnf.DebugSQL = Conf.DebugSQL
 }
 
-// MetasploitConf is gost go-metasploitdb
+// MetasploitConf is go-msfdb config
 type MetasploitConf struct {
 	VulnDict
 }
@@ -274,3 +274,30 @@ func (cnf *MetasploitConf) Init() {
 	cnf.setDefault("go-msfdb.sqlite3")
 	cnf.DebugSQL = Conf.DebugSQL
 }
+
+// KEVulnConf is go-kev config
+type KEVulnConf struct {
+	VulnDict
+}
+
+const kevulnDBType = "KEVULN_TYPE"
+const kevulnDBURL = "KEVULN_URL"
+const kevulnDBPATH = "KEVULN_SQLITE3_PATH"
+
+// Init set options with the following priority.
+// 1. Environment variable
+// 2. config.toml
+func (cnf *KEVulnConf) Init() {
+	cnf.Name = "kevuln"
+	if os.Getenv(kevulnDBType) != "" {
+		cnf.Type = os.Getenv(kevulnDBType)
+	}
+	if os.Getenv(kevulnDBURL) != "" {
+		cnf.URL = os.Getenv(kevulnDBURL)
+	}
+	if os.Getenv(kevulnDBPATH) != "" {
+		cnf.SQLite3Path = os.Getenv(kevulnDBPATH)
+	}
+	cnf.setDefault("go-kev.sqlite3")
+	cnf.DebugSQL = Conf.DebugSQL
+}