WarFTPd USER/PASS Command Remote Overflow - Nessus

High   Plugin ID: 11207

This page contains detailed information about the WarFTPd USER/PASS Command Remote Overflow Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents
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Plugin Overview

ID: 11207
Name: WarFTPd USER/PASS Command Remote Overflow
Filename: DDI_warftpd_user_overflow.nasl
Vulnerability Published: 1998-03-19
This Plugin Published: 2003-01-22
Last Modification Time: 2018-06-27
Plugin Version: 1.18
Plugin Type: remote
Plugin Family: FTP
Dependencies: ftpserver_detect_type_nd_version.nasl

Vulnerability Information

Severity: High
Vulnerability Published: 1998-03-19
Patch Published: N/A
CVE [?]: CVE-1999-0256
CPE [?]: N/A

Synopsis

Arbitrary code can be run on the remote FTP server.

Description

The version of War FTP Daemon running on this host contains a buffer overflow in the code that handles the USER and PASS commands. A potential intruder could use this vulnerability to crash the server, as well as run arbitrary commands on the system.

Solution

Upgrade to WarFTPd version 1.66x4 or later.

Public Exploits

Target Network Port(s): 21
Target Asset(s): Services/ftp
Exploit Available: True (Metasploit Framework, Exploit-DB, GitHub)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the WarFTPd USER/PASS Command Remote Overflow vulnerability:

  1. Metasploit: exploit/windows/ftp/warftpd_165_user
    [War-FTPD 1.65 Username Overflow]
  2. Metasploit: exploit/windows/ftp/warftpd_165_pass
    [War-FTPD 1.65 Password Overflow]
  3. Exploit-DB: exploits/windows/remote/16706.rb
    [EDB-16706: War-FTPD 1.65 - Password Overflow (Metasploit)]
  4. Exploit-DB: exploits/windows/remote/16724.rb
    [EDB-16724: War-FTPD 1.65 - 'Username' Remote Overflow (Metasploit)]
  5. GitHub: https://github.com/PKSJTeam/Metasploit
    [CVE-1999-0256]
  6. GitHub: https://github.com/iricartb/buffer-overflow-warftp-1.65
    [CVE-1999-0256]
  7. GitHub: https://github.com/x00itachi/metasploit-exploit-search-online
    [CVE-1999-0256]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS V2 Vector [?]: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:F/RL:OF/RC:C
CVSS Base Score:7.5 (High)
Impact Subscore:6.4
Exploitability Subscore:10.0
CVSS Temporal Score:6.2 (Medium)
CVSS Environmental Score:NA (None)
Modified Impact Subscore:NA
Overall CVSS Score:6.2 (Medium)

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Plugin Source

This is the DDI_warftpd_user_overflow.nasl nessus plugin source code. This script is Copyright (C) 2003-2015 Digital Defense, Inc. 

#
# This script was written by Erik Tayler <[email protected]>
#
# See the Nessus Scripts License for details
#
# Changes by Tenable:
# - Revised plugin title (2/04/2009)


include("compat.inc");

if(description)
{
	script_id(11207);
	script_version("1.18");

	script_cve_id("CVE-1999-0256");
	script_bugtraq_id(10078);
	
	script_name(english:"WarFTPd USER/PASS Command Remote Overflow");
	script_summary(english:"War FTP Daemon USER/PASS Overflow");

	script_set_attribute(attribute:"synopsis", value:
"Arbitrary code can be run on the remote FTP server." );
	script_set_attribute(attribute:"description", value:
"The version of War FTP Daemon running on this host contains a buffer
overflow in the code that handles the USER and PASS commands.  A
potential intruder could use this vulnerability to crash the server,
as well as run arbitrary commands on the system." );
	script_set_attribute(attribute:"solution", value:
"Upgrade to WarFTPd version 1.66x4 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'War-FTPD 1.65 Username Overflow');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"plugin_publication_date", value:
"2003/01/22");
 script_set_attribute(attribute:"vuln_publication_date", value: "1998/03/19");
 script_cvs_date("Date: 2018/06/27 18:42:25");
	script_set_attribute(attribute:"plugin_type", value:"remote");
	script_end_attributes();

	script_category(ACT_GATHER_INFO);
	script_copyright(english:"This script is Copyright (C) 2003-2015 Digital Defense, Inc.");
	script_family(english:"FTP");
	script_dependencies("ftpserver_detect_type_nd_version.nasl");
	script_require_ports("Services/ftp", 21);
	exit(0);
}


include("ftp_func.inc");

port = get_ftp_port(default: 21);

r = get_ftp_banner(port:port);
if (!r) exit(1);

	if(egrep(pattern:"WAR-FTPD 1.([0-5][0-9]|6[0-5])[^0-9]*Ready",string:r, icase:TRUE))
	{
		security_hole(port);
	}

The latest version of this script can be found in these locations depending on your platform:

  • Linux / Unix:
    /opt/nessus/lib/nessus/plugins/DDI_warftpd_user_overflow.nasl
  • Windows:
    C:\ProgramData\Tenable\Nessus\nessus\plugins\DDI_warftpd_user_overflow.nasl
  • Mac OS X:
    /Library/Nessus/run/lib/nessus/plugins/DDI_warftpd_user_overflow.nasl

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How to Run

Here is how to run the WarFTPd USER/PASS Command Remote Overflow as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

  1. Click to start a New Scan.
  2. Select Advanced Scan.
  3. Navigate to the Plugins tab.
  4. On the top right corner click to Disable All plugins.
  5. On the left side table select FTP plugin family.
  6. On the right side table select WarFTPd USER/PASS Command Remote Overflow plugin ID 11207.
  7. Specify the target on the Settings tab and click to Save the scan.
  8. Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl DDI_warftpd_user_overflow.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a DDI_warftpd_user_overflow.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - DDI_warftpd_user_overflow.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state DDI_warftpd_user_overflow.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID: See also: Similar and related Nessus plugins:
  • 11000 - MPEi/X Default FTP Accounts
  • 11205 - WarFTPd CWD/MKD Command Overflow
  • 10961 - AirConnect Default Password
  • 11202 - Enhydra Multiserver Default Password
  • 10820 - F5 Device Default Support Password
  • 10995 - Sun JavaServer Default Admin Password
  • 10998 - Shiva LanRover Blank Password
  • 10999 - Linksys Router Default Password
  • 11203 - Motorola Vanguard with No Password (telnet check)
  • 11208 - Netscape Enterprise Default Administrative Password
  • 10798 - Symantec pcAnywhere Service Unrestricted Access
  • 10778 - SiteScope Web Service Unpassworded Access
  • 11004 - Ipswitch WhatsUp Gold Default Admin Account
  • 14195 - 4D WebStar Pre-authentication FTP Overflow
  • 15628 - Ability FTP Server Multiple Command Remote Buffer Overflows
  • 24021 - Easy File Sharing FTP Server PASS Command Overflow
  • 10084 - Multiple FTP Server Command Handling Overflow
  • 12080 - Serv-U MDTM Command Overflow
  • 18627 - GlobalSCAPE Secure FTP Server User Input Overflow
  • 18402 - Hummingbird InetD FTP Component (ftpdw.exe) Command Overflow
  • 40825 - MS09-053: Microsoft IIS FTPd NLST Command Remote Buffer Overflow (975191) (uncredentialed check)
  • 18142 - Intersoft NetTerm Netftpd USER Command Remote Overflow
  • 17718 - ProFTPD < 1.3.1rc1 mod_ctrls Module pr_ctrls_recv_request Function Local Overflow
  • 51366 - ProFTPD < 1.3.3d 'mod_sql' Buffer Overflow
  • 70446 - ProFTPD TELNET IAC Escape Sequence Remote Buffer Overflow
  • 15704 - SlimFTPd Multiple Command Handling Overflow
  • 15857 - WS_FTP Server Multiple Command Remote Overflow DoS

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file DDI_warftpd_user_overflow.nasl version 1.18. For more plugins, visit the Nessus Plugin Library.

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