module

elFinder Archive Command Injection

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Disclosed
2021-06-13
Created
2021-09-20

Description

elFinder versions below 2.1.59 are vulnerable to a command injection
vulnerability via its archive functionality.

When creating a new zip archive, the `name` parameter is sanitized
with the `escapeshellarg()` php function and then passed to the
`zip` utility. Despite the sanitization, supplying the `-TmTT`
argument as part of the `name` parameter is still permitted and
enables the execution of arbitrary commands as the `www-data` user.

Authors

Thomas Chauchefoin
Shelby Pace

Platform

Linux

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/linux/http/elfinder_archive_cmd_injection
    msf exploit(elfinder_archive_cmd_injection) > show targets
        ...targets...
    msf exploit(elfinder_archive_cmd_injection) > set TARGET < target-id >
    msf exploit(elfinder_archive_cmd_injection) > show options
        ...show and set options...
    msf exploit(elfinder_archive_cmd_injection) > exploit
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