Rapid7 VulnDB

Flexense HTTP Server Denial Of Service

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Flexense HTTP Server Denial Of Service

Disclosed
03/09/2018
Created
06/14/2018

Description

This module triggers a Denial of Service vulnerability in the Flexense HTTP server. Vulnerability caused by a user mode write access memory violation and can be triggered with rapidly sending variety of HTTP requests with long HTTP header values. Multiple Flexense applications that are using Flexense HTTP server 10.6.24 and below vesions reportedly vulnerable.

Author(s)

  • Ege Balci <ege.balci@invictuseurope.com>

Development

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/dos/http/flexense_http_server_dos
msf auxiliary(flexense_http_server_dos) > show actions
    ...actions...
msf auxiliary(flexense_http_server_dos) > set ACTION < action-name >
msf auxiliary(flexense_http_server_dos) > show options
    ...show and set options...
msf auxiliary(flexense_http_server_dos) > run 

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security

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