module

Log4Shell HTTP Scanner

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Disclosed
12/09/2021
Created
12/16/2021

Description

Versions of Apache Log4j2 impacted by CVE-2021-44228 which allow JNDI features used in configuration,
log messages, and parameters, do not protect against attacker controlled LDAP and other JNDI related endpoints.

This module will scan an HTTP end point for the Log4Shell vulnerability by injecting a format message that will
trigger an LDAP connection to Metasploit. This module is a generic scanner and is only capable of identifying
instances that are vulnerable via one of the pre-determined HTTP request injection points. These points include
HTTP headers and the HTTP request path.

Known impacted software includes Apache Struts 2, VMWare VCenter, Apache James, Apache Solr, Apache Druid,
Apache JSPWiki, Apache OFBiz.

Authors

Spencer McIntyreRageLtMan

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 auxiliary/scanner/http/log4shell_scanner
    msf /(r) > show actions
        ...actions...
    msf /(r) > set ACTION < action-name >
    msf /(r) > show options
        ...show and set options...
    msf /(r) > run
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