Memcached Remote Denial of Service - Metasploit
This page contains detailed information about how to use the auxiliary/dos/misc/memcached metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.
Module Overview
Name: Memcached Remote Denial of Service
Module: auxiliary/dos/misc/memcached
Source code: modules/auxiliary/dos/misc/memcached.rb
Disclosure date: -
Last modification time: 2022-01-23 15:28:32 +0000
Supported architecture(s): -
Supported platform(s): -
Target service / protocol: -
Target network port(s): 11211
List of CVEs: CVE-2011-4971
This module sends a specially-crafted packet to cause a segmentation fault in memcached v1.4.15 or earlier versions.
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/misc/memcached
msf auxiliary(memcached) > show targets
... a list of targets ...
msf auxiliary(memcached) > set TARGET target-id
msf auxiliary(memcached) > show options
... show and set options ...
msf auxiliary(memcached) > exploit
Required Options
- RHOSTS: The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
Go back to menu.
Msfconsole Usage
Here is how the dos/misc/memcached auxiliary module looks in the msfconsole:
msf6 > use auxiliary/dos/misc/memcached
msf6 auxiliary(dos/misc/memcached) > show info
Name: Memcached Remote Denial of Service
Module: auxiliary/dos/misc/memcached
License: Metasploit Framework License (BSD)
Rank: Normal
Provided by:
Gregory Man <[email protected]>
Check supported:
No
Basic options:
Name Current Setting Required Description
---- --------------- -------- -----------
RHOSTS yes The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
RPORT 11211 yes The target port (TCP)
Description:
This module sends a specially-crafted packet to cause a segmentation
fault in memcached v1.4.15 or earlier versions.
References:
https://code.google.com/p/memcached/issues/detail?id=192
https://nvd.nist.gov/vuln/detail/CVE-2011-4971
OSVDB (92867)
Module Options
This is a complete list of options available in the dos/misc/memcached auxiliary module:
msf6 auxiliary(dos/misc/memcached) > show options
Module options (auxiliary/dos/misc/memcached):
Name Current Setting Required Description
---- --------------- -------- -----------
RHOSTS yes The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
RPORT 11211 yes The target port (TCP)
Advanced Options
Here is a complete list of advanced options supported by the dos/misc/memcached auxiliary module:
msf6 auxiliary(dos/misc/memcached) > show advanced
Module advanced options (auxiliary/dos/misc/memcached):
Name Current Setting Required Description
---- --------------- -------- -----------
CHOST no The local client address
CPORT no The local client port
ConnectTimeout 10 yes Maximum number of seconds to establish a TCP connection
Proxies no A proxy chain of format type:host:port[,type:host:port][...]
SSL false no Negotiate SSL/TLS for outgoing connections
SSLCipher no String for SSL cipher - "DHE-RSA-AES256-SHA" or "ADH"
SSLVerifyMode PEER no SSL verification method (Accepted: CLIENT_ONCE, FAIL_IF_NO_PEER_CERT, NONE, PEER)
SSLVersion Auto yes Specify the version of SSL/TLS to be used (Auto, TLS and SSL23 are auto-negotiate) (Accepted: Auto, TLS, SSL23, SSL3, TLS1, TLS1.1, TLS1.2)
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/misc/memcached module can do:
msf6 auxiliary(dos/misc/memcached) > show actions
Auxiliary actions:
Name Description
---- -----------
Evasion Options
Here is the full list of possible evasion options supported by the dos/misc/memcached auxiliary module in order to evade defenses (e.g. Antivirus, EDR, Firewall, NIDS etc.):
msf6 auxiliary(dos/misc/memcached) > show evasion
Module evasion options:
Name Current Setting Required Description
---- --------------- -------- -----------
TCP::max_send_size 0 no Maxiumum tcp segment size. (0 = disable)
TCP::send_delay 0 no Delays inserted before every send. (0 = disable)
Go back to menu.
Error Messages
This module may fail with the following error messages:
Check for the possible causes from the code snippets below found in the module source code. This can often times help in identifying the root cause of the problem.
<RHOST>:<RPORT> - The DoS attempt did not work, host is still alive
Here is a relevant code snippet related to the "<RHOST>:<RPORT> - The DoS attempt did not work, host is still alive" error message:
51:
52: print_status("#{rhost}:#{rport} - Checking host status...")
53: select(nil, nil, nil, 1)
54:
55: if is_alive?
56: print_error("#{rhost}:#{rport} - The DoS attempt did not work, host is still alive")
57: else
58: print_good("#{rhost}:#{rport} - Tango down") # WWJS - What would th3j35t3r say?
59: end
60: end
61: end
Go back to menu.
Related Pull Requests
- #8716 Merged Pull Request: Print_Status -> Print_Good (And OCD bits 'n bobs)
- #8338 Merged Pull Request: Fix msf/core and self.class msftidy warnings
- #6812 Merged Pull Request: Resolve #6807, remove all OSVDB references.
- #6655 Merged Pull Request: use MetasploitModule as a class name
- #6648 Merged Pull Request: Change metasploit class names
- #2525 Merged Pull Request: Change module boilerplate
- #1902 Merged Pull Request: Add OSVDB reference 92867 for Memcached DoS module
- #1782 Merged Pull Request: Added Memcached Remote Denial of Service module
References
See Also
Check also the following modules related to this module:
- auxiliary/dos/misc/dopewars
- auxiliary/dos/misc/ibm_sametime_webplayer_dos
- auxiliary/dos/misc/ibm_tsm_dos
- auxiliary/gather/memcached_extractor
- auxiliary/scanner/memcached/memcached_amp
- auxiliary/scanner/memcached/memcached_udp_version
- auxiliary/admin/misc/sercomm_dump_config
- auxiliary/admin/misc/wol
- auxiliary/scanner/misc/cctv_dvr_login
- auxiliary/scanner/misc/cisco_smart_install
- auxiliary/scanner/misc/clamav_control
- auxiliary/scanner/misc/dahua_dvr_auth_bypass
- auxiliary/scanner/misc/dvr_config_disclosure
- auxiliary/scanner/misc/easycafe_server_fileaccess
- auxiliary/scanner/misc/freeswitch_event_socket_login
- auxiliary/scanner/misc/ibm_mq_channel_brute
- auxiliary/scanner/misc/ibm_mq_enum
- auxiliary/scanner/misc/ibm_mq_login
- auxiliary/scanner/misc/ib_service_mgr_info
- auxiliary/scanner/misc/java_jmx_server
- auxiliary/scanner/misc/java_rmi_server
- auxiliary/scanner/misc/oki_scanner
- auxiliary/scanner/misc/poisonivy_control_scanner
- auxiliary/scanner/misc/raysharp_dvr_passwords
- auxiliary/scanner/misc/rosewill_rxs3211_passwords
- auxiliary/scanner/misc/sercomm_backdoor_scanner
- auxiliary/scanner/misc/sunrpc_portmapper
- auxiliary/scanner/misc/zenworks_preboot_fileaccess
Authors
- Gregory Man <man.gregory[at]gmail.com>
Version
This page has been produced using Metasploit Framework version 6.2.7-dev. For more modules, visit the Metasploit Module Library.
Go back to menu.