FreeBSD Remote NFS RPC Request Denial of Service - Metasploit
This page contains detailed information about how to use the auxiliary/dos/freebsd/nfsd/nfsd_mount metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.
Module Overview
Name: FreeBSD Remote NFS RPC Request Denial of Service
Module: auxiliary/dos/freebsd/nfsd/nfsd_mount
Source code: modules/auxiliary/dos/freebsd/nfsd/nfsd_mount.rb
Disclosure date: -
Last modification time: 2017-07-24 06:26:21 +0000
Supported architecture(s): -
Supported platform(s): -
Target service / protocol: -
Target network port(s): 2049
List of CVEs: CVE-2006-0900
This module sends a specially-crafted NFS Mount request causing a kernel panic on host running FreeBSD 6.0.
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/freebsd/nfsd/nfsd_mount
msf auxiliary(nfsd_mount) > show targets
... a list of targets ...
msf auxiliary(nfsd_mount) > set TARGET target-id
msf auxiliary(nfsd_mount) > show options
... show and set options ...
msf auxiliary(nfsd_mount) > 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/freebsd/nfsd/nfsd_mount auxiliary module looks in the msfconsole:
msf6 > use auxiliary/dos/freebsd/nfsd/nfsd_mount
msf6 auxiliary(dos/freebsd/nfsd/nfsd_mount) > show info
Name: FreeBSD Remote NFS RPC Request Denial of Service
Module: auxiliary/dos/freebsd/nfsd/nfsd_mount
License: Metasploit Framework License (BSD)
Rank: Normal
Provided by:
MC <[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 2049 yes The target port (TCP)
Description:
This module sends a specially-crafted NFS Mount request causing a
kernel panic on host running FreeBSD 6.0.
References:
http://www.securityfocus.com/bid/16838
OSVDB (23511)
https://nvd.nist.gov/vuln/detail/CVE-2006-0900
Module Options
This is a complete list of options available in the dos/freebsd/nfsd/nfsd_mount auxiliary module:
msf6 auxiliary(dos/freebsd/nfsd/nfsd_mount) > show options
Module options (auxiliary/dos/freebsd/nfsd/nfsd_mount):
Name Current Setting Required Description
---- --------------- -------- -----------
RHOSTS yes The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
RPORT 2049 yes The target port (TCP)
Advanced Options
Here is a complete list of advanced options supported by the dos/freebsd/nfsd/nfsd_mount auxiliary module:
msf6 auxiliary(dos/freebsd/nfsd/nfsd_mount) > show advanced
Module advanced options (auxiliary/dos/freebsd/nfsd/nfsd_mount):
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/freebsd/nfsd/nfsd_mount module can do:
msf6 auxiliary(dos/freebsd/nfsd/nfsd_mount) > show actions
Auxiliary actions:
Name Description
---- -----------
Evasion Options
Here is the full list of possible evasion options supported by the dos/freebsd/nfsd/nfsd_mount auxiliary module in order to evade defenses (e.g. Antivirus, EDR, Firewall, NIDS etc.):
msf6 auxiliary(dos/freebsd/nfsd/nfsd_mount) > 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)
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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
- #6139 Merged Pull Request: Remove bad references (dead links)
- #2525 Merged Pull Request: Change module boilerplate
- #1228 Merged Pull Request: MSFTIDY cleanup #1 - auxiliary
References
- BID-16838
- OSVDB (23511)
- CVE-2006-0900
See Also
Check also the following modules related to this module:
- auxiliary/scanner/nfs/nfsmount
- exploit/osx/local/nfs_mount_root
- exploit/windows/ftp/labf_nfsaxe
- exploit/windows/nfs/xlink_nfsd
- exploit/linux/local/ubuntu_enlightenment_mount_priv_esc
- exploit/linux/local/vmware_mount
- post/linux/gather/mount_cifs_creds
- post/osx/manage/mount_share
- post/windows/manage/vmdk_mount
- post/windows/manage/vss_mount
- exploit/bsd/finger/morris_fingerd_bof
- payload/bsd/sparc/shell_bind_tcp
- payload/bsd/sparc/shell_reverse_tcp
- payload/bsd/vax/shell_reverse_tcp
- payload/bsd/x64/exec
- payload/bsd/x64/shell_bind_ipv6_tcp
- payload/bsd/x64/shell_bind_tcp
- payload/bsd/x64/shell_bind_tcp_small
- payload/bsd/x64/shell_reverse_ipv6_tcp
- payload/bsd/x64/shell_reverse_tcp
- payload/bsd/x64/shell_reverse_tcp_small
- payload/bsd/x86/exec
- payload/bsd/x86/metsvc_bind_tcp
- payload/bsd/x86/metsvc_reverse_tcp
- payload/bsd/x86/shell/bind_ipv6_tcp
- payload/bsd/x86/shell/bind_tcp
- payload/bsd/x86/shell_bind_tcp
- payload/bsd/x86/shell_bind_tcp_ipv6
- payload/bsd/x86/shell_find_port
- payload/bsd/x86/shell/find_tag
- payload/bsd/x86/shell_find_tag
- payload/bsd/x86/shell/reverse_ipv6_tcp
- payload/bsd/x86/shell/reverse_tcp
- payload/bsd/x86/shell_reverse_tcp
- payload/bsd/x86/shell_reverse_tcp_ipv6
- post/bsd/gather/hashdump
Authors
- MC
Version
This page has been produced using Metasploit Framework version 6.2.23-dev. For more modules, visit the Metasploit Module Library.
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