module

WP Database Backup RCE

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Disclosed
2019-04-24
Created
2019-07-23

Description

There exists a command injection vulnerability in the Wordpress plugin
`wp-database-backup` for versions

For the backup functionality, the plugin generates a `mysqldump` command
to execute. The user can choose specific tables to exclude from the backup
by setting the `wp_db_exclude_table` parameter in a POST request to the
`wp-database-backup` page. The names of the excluded tables are included in
the `mysqldump` command unsanitized. Arbitrary commands injected through the
`wp_db_exclude_table` parameter are executed each time the functionality
for creating a new database backup are run.

Authentication is required to successfully exploit this vulnerability.

Authors

Mikey Veenstra / Wordfence
Shelby Pace

Platform

Linux,Windows

Architectures

x86, x64

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands ‘show options’ or ‘show advanced’:


    msf > use exploit/multi/http/wp_db_backup_rce
    msf exploit(wp_db_backup_rce) > show targets
        ...targets...
    msf exploit(wp_db_backup_rce) > set TARGET < target-id >
    msf exploit(wp_db_backup_rce) > show options
        ...show and set options...
    msf exploit(wp_db_backup_rce) > exploit
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