Masking password for kibana basic authentication login

[ihjaz Mohamed]

* Search Guard and Elasticsearch version

SearchGuard 6 - 6.2.2-21 

           Search-guard-kibana-plugin-6.2.2-10 

Elasticsearch & Kibana - 6.2.2

* Installed and used enterprise modules, if any

          none

* JVM version and operating system version

      OpenJDK Runtime Environment (build 1.8.0_161-b14)

       OpenJDK 64-Bit Server VM (build 25.161-b14, mixed mode) 

       Red Hat Enterprise Linux Server release 7.4 (Maipo)

* Search Guard configuration files

* Elasticsearch log messages on debug level

* Other installed Elasticsearch or Kibana plugins, if any

Hi,

Following is the http request being send from search guard for login. Here the username and password are sent as JSON in body of a POST method and can be seen by anyone sniffing the http request.

Is there a way to mask/hide the username and password? Is there any setting to send password in headers?

┌───────────────────────────────────────────────────────────────────────────
│        192.168.10.39 ──http─► 192.168.10.51                                    
├───────────────────────────────────────────────────────────────────────────
│POST /app/kibana/api/v1/auth/login HTTP/1.1                                                                      
│Host: host10dot51c.server36.lab                                                                                  
│User-agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36
│                                                                                                                
│Accept: application/json, text/plain, */*                                                                        
│Accept-Language: en-US,en;q=0.9                                                                                  
│Accept-Encoding: gzip, deflate, br                                                                              
│Cookie: JSESSIONID=0000ApvHwDtXcCbc2O0KUhKo_8H:-1                                                                
│Connection: keep-alive                                                                                          
│Origin: https://host10dot51c.server36.lab                                                                        
│Content-Type: application/json;charset=UTF-8                                                                    
│Content-Length: 50                                                                                              
│                                                                                                                
│{                                                                                                                
│  "password" : "Password1",                                                                                    
│  "username" : "kibanaadmin"                                                                                    
│}                      

                                                                                        

[erik clark]

Why are you using HTTP with searchguard? The whole point of searchguard is to enable https between kibana, elasticsearch.

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[Jochen Kressin]

Sending passwords in headers instead of the POST body does not help if you are using HTTP instead of HTTPS. With unencrypted connections everything can be sniffed, including headers. Using HTTP here is basically the same as using HTTP in online banking: Insecure ;) 

So I agree, you need to use HTTPS everywhere, means:

Browser -> Kibana -> Elasticsearch

That's the only to avoid usernames and passwords being sniffed.