module

Tomcat Partial PUT Java Deserialization

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Disclosed
Mar 10, 2025
Created
Apr 3, 2025

Description

This module exploits a Java deserialization vulnerability in Apache
Tomcat's session restoration functionality that can be exploited with a partial HTTP PUT request to
place an attacker controlled deserialization payload in the /webapps/ROOT/ directory.

For the exploit to succeed, writes must be enabled for the default servlet,
and org.apache.catalina.session.PersistentManager must be configured to use
org.apache.catalina.session.FileStore.

Verified working on 10.1.16-1

Authors

sw0rd1ight
Calum Hutton
h4ck3r-04

Platform

Linux,Unix,Windows

Architectures

cmd

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