Description
This module exploits a Remote Code Execution vulnerability in the BigUp plugin of SPIP. The vulnerability lies in the `lister_fichiers_par_champs` function, which is triggered when the `bigup_retrouver_fichiers` parameter is set to any value. By exploiting the improper handling of multipart form data in file uploads, an attacker can inject and execute arbitrary PHP code on the target server.
This critical vulnerability affects all versions of SPIP from 4.0 up to and including 4.3.1, 4.2.15, and 4.1.17. It allows unauthenticated users to execute arbitrary code remotely via the public interface. The vulnerability has been patched in versions 4.3.2, 4.2.16, and 4.1.18.
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/spip/bigup_unauth_rcemsf undefined(bigup_unauth_rce) > show actions ...actions...msf undefined(bigup_unauth_rce) > set ACTION < action-name >msf undefined(bigup_unauth_rce) > show options ...show and set options...msf undefined(bigup_unauth_rce) > runPrioritise with Active Threat Intelligence
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