module

LINQPad Deserialization Exploit

Disclosed
Dec 3, 2024
Created
May 13, 2025

Description

This module exploits a bug in LIQPad up to version 5.48.00. The bug is only exploitable in paid version of software. The core of a bug is cache file containing deserialized data, which attacker can overwrite with malicious payload. The data gets deserialized every time the app restarts.

Authors

msutovsky-r7 martin_sutovsky@rapid7.com
James Williams

Platform

Windows

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

Title
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