Avahi Source Port 0 DoS - Metasploit


This page contains detailed information about how to use the auxiliary/dos/mdns/avahi_portzero metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.

Table Of Contents
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Module Overview

Name: Avahi Source Port 0 DoS
Module: auxiliary/dos/mdns/avahi_portzero
Source code: modules/auxiliary/dos/mdns/avahi_portzero.rb
Disclosure date: 2008-11-14
Last modification time: 2017-07-24 06:26:21 +0000
Supported architecture(s): -
Supported platform(s): -
Target service / protocol: -
Target network port(s): 5353
List of CVEs: CVE-2008-5081

Avahi-daemon versions prior to 0.6.24 can be DoS'd with an mDNS packet with a source port of 0.

Module Ranking and Traits

Module Ranking:

  • normal: The exploit is otherwise reliable, but depends on a specific version and can't (or doesn't) reliably autodetect. More information about ranking can be found here.

Basic Usage

msf > use auxiliary/dos/mdns/avahi_portzero
msf auxiliary(avahi_portzero) > show targets
    ... a list of targets ...
msf auxiliary(avahi_portzero) > set TARGET target-id
msf auxiliary(avahi_portzero) > show options
    ... show and set options ...
msf auxiliary(avahi_portzero) > exploit

Required Options

  • RHOSTS: The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'

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Msfconsole Usage

Here is how the dos/mdns/avahi_portzero auxiliary module looks in the msfconsole:

msf6 > use auxiliary/dos/mdns/avahi_portzero

msf6 auxiliary(dos/mdns/avahi_portzero) > show info

       Name: Avahi Source Port 0 DoS
     Module: auxiliary/dos/mdns/avahi_portzero
    License: Metasploit Framework License (BSD)
       Rank: Normal
  Disclosed: 2008-11-14

Provided by:
  kris katterjohn <[email protected]>

Check supported:
  No

Basic options:
  Name       Current Setting  Required  Description
  ----       ---------------  --------  -----------
  INTERFACE                   no        The name of the interface
  RHOSTS                      yes       The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
  RPORT      5353             yes       The destination port
  SNAPLEN    65535            yes       The number of bytes to capture
  TIMEOUT    500              yes       The number of seconds to wait for new data

Description:
  Avahi-daemon versions prior to 0.6.24 can be DoS'd with an mDNS 
  packet with a source port of 0.

References:
  https://nvd.nist.gov/vuln/detail/CVE-2008-5081
  OSVDB (50929)

Module Options

This is a complete list of options available in the dos/mdns/avahi_portzero auxiliary module:

msf6 auxiliary(dos/mdns/avahi_portzero) > show options

Module options (auxiliary/dos/mdns/avahi_portzero):

   Name       Current Setting  Required  Description
   ----       ---------------  --------  -----------
   INTERFACE                   no        The name of the interface
   RHOSTS                      yes       The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
   RPORT      5353             yes       The destination port
   SNAPLEN    65535            yes       The number of bytes to capture
   TIMEOUT    500              yes       The number of seconds to wait for new data

Advanced Options

Here is a complete list of advanced options supported by the dos/mdns/avahi_portzero auxiliary module:

msf6 auxiliary(dos/mdns/avahi_portzero) > show advanced

Module advanced options (auxiliary/dos/mdns/avahi_portzero):

   Name                Current Setting  Required  Description
   ----                ---------------  --------  -----------
   GATEWAY_PROBE_HOST  8.8.8.8          yes       Send a TTL=1 random UDP datagram to this host to discover the default gateway's MAC
   GATEWAY_PROBE_PORT                   no        The port on GATEWAY_PROBE_HOST to send a random UDP probe to (random if 0 or unset)
   SECRET              1297303073       yes       A 32-bit cookie for probe requests.
   VERBOSE             false            no        Enable detailed status messages
   WORKSPACE                            no        Specify the workspace for this module

Auxiliary Actions

This is a list of all auxiliary actions that the dos/mdns/avahi_portzero module can do:

msf6 auxiliary(dos/mdns/avahi_portzero) > show actions

Auxiliary actions:

   Name  Description
   ----  -----------

Evasion Options

Here is the full list of possible evasion options supported by the dos/mdns/avahi_portzero auxiliary module in order to evade defenses (e.g. Antivirus, EDR, Firewall, NIDS etc.):

msf6 auxiliary(dos/mdns/avahi_portzero) > show evasion

Module evasion options:

   Name  Current Setting  Required  Description
   ----  ---------------  --------  -----------

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References

See Also

Check also the following modules related to this module:

Authors

kris katterjohn

Version

This page has been produced using Metasploit Framework version 6.1.24-dev. For more modules, visit the Metasploit Module Library.

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