module

Fortinet FortiNAC keyUpload.jsp arbitrary file write

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Disclosed
2023-02-16
Created
2023-03-14

Description

This module uploads a payload to the /tmp directory in addition to a cron job
to /etc/cron.d which executes the payload in the context of the root user.

The core vulnerability is an arbitrary file write issue in /configWizard/keyUpload.jsp which
is accessible remotely and without authentication. When you send the vulnerable
endpoint a ZIP file, it will extract an attacker controlled file to a directory
of the attackers choice on the target system.

This issue is exploitable on the following versions of FortiNAC:

FortiNAC version 9.4 prior to 9.4.1
FortiNAC version 9.2 prior to 9.2.6
FortiNAC version 9.1 prior to 9.1.8
FortiNAC 8.8 all versions
FortiNAC 8.7 all versions
FortiNAC 8.6 all versions
FortiNAC 8.5 all versions
FortiNAC 8.3 all versions

Authors

Gwendal Guégniaud
Zach Hanley
jheysel-r7

Platform

Linux,Unix

Architectures

cmd, x64, x86

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