module

PlaySMS index.php Unauthenticated Template Injection Code Execution

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Disclosed
2020-02-05
Created
2020-04-03

Description

This module exploits a preauth Server-Side Template Injection vulnerability that leads to remote code execution
in PlaySMS before version 1.4.3. This issue is caused by double processing a server-side template with a custom
PHP template system called 'TPL' which is used in the PlaySMS template engine at
`src/Playsms/Tpl.php:_compile()`. The vulnerability is triggered when an attacker supplied username with a
malicious payload is submitted. This malicious payload is then stored in a TPL template which when rendered a
second time, results in code execution.
The TPL(https://github.com/antonraharja/tpl) template language is vulnerable to PHP code injection.

This module was tested against PlaySMS 1.4 on HackTheBox's Forlic Machine.

Authors

Touhid M.Shaikh touhidshaikh22@gmail.com
Lucas Rosevear

Platform

PHP

Architectures

php

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